{"title":"Taco Relays","description":"\u003cbr\u003e","products":[{"product_id":"taco-sr-501-4-one-zone-pump-switching-relay-replaces-ar821-ar822","title":"Taco SR-501-4 One Zone Pump Switching Relay (Replaces AR821 \u0026 AR822)","description":"\u003cspan style=\"font-size: 12pt;\"\u003e\u003cspan style=\" font-weight: bold;\"\u003eProduct Manuals and Downloads:\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e \u003c\/span\u003e\u003cspan style=\"font-size: 12pt;\"\u003e\u003cspan style=\"\"\u003eTaco SR-501 One Zone Pump Switching Relay (Replaces AR821 \u0026amp; AR822)\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e \u003cspan style=\"font-size: 12pt;\"\u003e\u003cbr\u003e \u003cspan style=\"\"\u003eTaco Switching Relays combine clearly-labeled PC board layouts with advanced features that allow you to completely customize your system. Whether youre using basic priority switching, Taco Plug-In PowerPort Cards or add-on power controls, tailoring the system has never been easier. External indicator lights give you instant diagnostic feedback, making service calls or new installation start-ups a snap. All switching relays are UL listed, use standard \"ice cube\" replaceable relays and are compatible with conventional and programmable thermostats. For larger jobs, switching relays can be expanded up to 20 zones with priority.\u003c\/span\u003e\u003cbr style=\"\"\u003e \u003c\/span\u003e\u003cp style=\"\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003e\u003cbr\u003e With the exclusive Taco PowerPort Plug-In Cards, you can easily add such features as post purge, priority protection and pump exercise. Any expandable switching relay can also interface with the Boiler Reset Control and Injection Mixing Add-On Power Controls.\u003cbr\u003e Mix-and-match as needed to customize the system. \u003cbr\u003e \u003cbr\u003e \u003cb\u003eFeatures include:\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cul style=\"\"\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eExternal Indicator Lights\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSwitchable Priority\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSimplified Wiring\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eFully Enclosed Snap-Out Relays\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eCompact Design\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eFuse Protected\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003e100% Factory Tested\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eIsolated End Switch\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eContractor Friendly PC Board Layout\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eUniversal Thermostat Compatibility\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eUL and CSA Approved\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003e24 Volt Power Input or Output Terminal\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eExtended 3 Year Warranty\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eMade in the USA \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cul style=\"\"\u003e\u003c\/ul\u003e\u003cspan style=\"font-size: 12pt;\"\u003e\u003cbr style=\"\"\u003e \u003c\/span\u003e","brand":"Taco","offers":[{"title":"Default Title","offer_id":47344057811117,"sku":"14858","price":75.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/DSCN4142.jpg?v=1787917548"},{"product_id":"taco-sr501-exp-one-zone-pump-switching-relay-with-priority-3-power-ports","title":"Taco SR501-EXP One Zone Pump Switching Relay with Priority \u0026 3 Power Ports","description":"\u003cspan style=\"font-size: 12pt; \"\u003e\u003cspan style=\"font-size: 12pt;\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003e\u003c\/span\u003e\u003cspan style=\"font-weight: bold;\"\u003eProduct Manuals and Downloads:\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"font-size: 12pt; font-weight: bold;\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eTaco SR501-EXP One Zone Pump Switching Relay with Priority \u0026amp; 3 Power Ports\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e \u003cspan style=\"font-size: 12pt; \"\u003e\u003cspan style=\"font-size: 12pt;\"\u003e\u003cbr\u003e \u003c\/span\u003eTaco Switching Relays combine clearly-labeled PC board layouts with advanced features that allow you to completely customize your system. Whether youre using basic priority switching, Taco Plug-In PowerPort Cards or add-on power controls, tailoring the system has never been easier. External indicator lights give you instant diagnostic feedback, making service calls or new installation start-ups a snap. All switching relays are UL listed, use standard \"ice cube\" replaceable relays and are compatible with conventional and programmable thermostats. For larger jobs, switching relays can be expanded up to 20 zones with priority.\u003cbr\u003e \u003c\/span\u003e\u003cp style=\"\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003e\u003cbr\u003e With the exclusive Taco PowerPort Plug-In Cards, you can easily add such features as post purge, priority protection and pump exercise. Any expandable switching relay can also interface with the Boiler Reset Control and Injection Mixing Add-On Power Controls.\u003cbr\u003e Mix-and-match as needed to customize the system. \u003cbr\u003e \u003cbr\u003e \u003cb\u003eFeatures include:\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cul style=\"\"\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eExternal Indicator Lights\u003cbr\u003e \u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSwitchable Priority\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSimplified Wiring\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eFully Enclosed Snap-Out Relays\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eCompact Design\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eFuse Protected\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003e100% Factory Tested\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eIsolated End Switch\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eContractor Friendly PC Board Layout\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eUniversal Thermostat Compatibility\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eUL and CSA Approved\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003e24 Volt Power Input or Output Terminal\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eExtended 3 Year Warranty\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eMade in the USA \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cspan style=\"font-size: 12pt; \"\u003e\u003cbr\u003e \u003c\/span\u003e","brand":"Taco","offers":[{"title":"Default Title","offer_id":47344057876653,"sku":"43007","price":137.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/1.5.jpg?v=1787917551"},{"product_id":"taco-sr502-4-two-zone-pump-switching-relay-with-priority","title":"Taco SR502-4 Two Zone Pump Switching Relay with Priority","description":"\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"font-size: 12pt;\"\u003e\u003cspan\u003eTaco SR502 Two Zone Pump Switching Relay with Priority (Replaces AR861-II)\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 12pt;\"\u003e \u003cbr\u003e\u003cspan\u003e Taco Switching Relays combine clearly-labeled PC board layouts with advanced features that allow you to completely customize your system. Whether youre using basic priority switching, Taco Plug-In PowerPort Cards or add-on power controls, tailoring the system has never been easier. External indicator lights give you instant diagnostic feedback, making service calls or new installation start-ups a snap. All switching relays are UL listed, use standard \"ice cube\" replaceable relays and are compatible with conventional and programmable thermostats. For larger jobs, switching relays can be expanded up to 20 zones with priority.\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003e\u003cbr\u003eWith the exclusive Taco PowerPort Plug-In Cards, you can easily add such features as post purge, priority protection and pump exercise. Any expandable switching relay can also interface with the Boiler Reset Control and Injection Mixing Add-On Power Controls.\u003cbr\u003eMix-and-match as needed to customize the system. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eFeatures include:\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eExternal Indicator Lights\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSwitchable Priority\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSimplified Wiring\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eFully Enclosed Snap-Out Relays\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eCompact Design\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eFuse Protected\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003e100% Factory Tested\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eIsolated End Switch\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eContractor Friendly PC Board Layout\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eUniversal Thermostat Compatibility\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eUL and CSA Approved\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003e24 Volt Power Input or Output Terminal\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eExtended 3 Year Warranty\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eMade in the USA \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Taco","offers":[{"title":"Default Title","offer_id":47344058269869,"sku":"SR502-4","price":189.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/SR502.jpg?v=1787901826"},{"product_id":"taco-sr503-three-zone-pump-switching-relay-with-priority-replaces-ar861-3","title":"Taco SR503 Three Zone Pump Switching Relay with Priority (Replaces AR861-3)","description":"\u003cspan style=\"font-size: 12pt;\"\u003e\u003cspan style=\" font-weight: bold;\"\u003eProduct Downloads and Manuals:\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"font-size: 12pt;\"\u003e\u003cspan style=\"\"\u003eTaco SR503 Three Zone Pump Switching Relay with Priority (Replaces AR861-3)\u003c\/span\u003e\u003c\/span\u003e\u003cbr style=\"\"\u003e\u003cp style=\"\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eTaco Switching Relays combine clearly-labeled PC board layouts with advanced features that allow you to completely customize your system. Whether youre using basic priority switching, Taco Plug-In PowerPort Cards or add-on power controls, tailoring the system has never been easier. External indicator lights give you instant diagnostic feedback, making service calls or new installation start-ups a snap. All switching relays are UL listed, use standard \"ice cube\" replaceable relays and are compatible with conventional and programmable thermostats. For larger jobs, switching relays can be expanded up to 20 zones with priority.\u003cbr\u003e \u003cbr\u003e With the exclusive Taco PowerPort Plug-In Cards, you can easily add such features as post purge, priority protection and pump exercise. Any expandable switching relay can also interface with the Boiler Reset Control and Injection Mixing Add-On Power Controls.\u003cbr\u003e Mix-and-match as needed to customize the system. \u003cbr\u003e \u003cbr\u003e \u003cb\u003eFeatures include:\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cul style=\"\"\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eExternal Indicator Lights\u003cbr\u003e \u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSwitchable Priority\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSimplified Wiring\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eFully Enclosed Snap-Out Relays\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eCompact Design\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eFuse Protected\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003e100% Factory Tested\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eIsolated End Switch\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eContractor Friendly PC Board Layout\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eUniversal Thermostat Compatibility\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eUL and CSA Approved\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003e24 Volt Power Input or Output Terminal\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eExtended 3 Year Warranty\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eMade in the USA \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cspan style=\"font-size: 12pt;\"\u003e\u003cbr style=\"\"\u003e \u003c\/span\u003e","brand":"Taco","offers":[{"title":"Default Title","offer_id":47344059056301,"sku":"21738","price":173.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/sr5032.jpg?v=1787901829"},{"product_id":"taco-sr503-exp-4-three-zone-pump-switching-relay-with-priority-and-3-powerports","title":"Taco SR503-EXP-4 Three Zone Pump Switching Relay with Priority and 3 Powerports","description":"\u003cspan style=\"font-size: 12pt;\"\u003e\u003cspan style=\"font-size: 12pt; \"\u003e\u003cspan style=\"font-weight: bold;\"\u003eProduct Manuals and Downloads:\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size: 12pt;\"\u003e\u003cspan style=\"font-size: 12pt; \"\u003eTaco SR503-EXP Three Zone Pump Switching Relay with Priority and 3 Powerports\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e \u003cspan style=\"font-size: 12pt;\"\u003e\u003cspan style=\"font-size: 12pt; \"\u003e \u003cbr\u003e \u003c\/span\u003e\u003cspan style=\" font-size: 12pt;\"\u003eTaco Switching Relays combine clearly-labeled PC board layouts with advanced features that allow you to completely customize your system. Whether youre using basic priority switching, Taco Plug-In PowerPort Cards or add-on power controls, tailoring the system has never been easier. External indicator lights give you instant diagnostic feedback, making service calls or new installation start-ups a snap. All switching relays are UL listed, use standard \"ice cube\" replaceable relays and are compatible with conventional and programmable thermostats. For larger jobs, switching relays can be expanded up to 20 zones with priority.\u003c\/span\u003e\u003cbr style=\"\"\u003e \u003c\/span\u003e\u003cp style=\"\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003e\u003cbr style=\"\"\u003e \u003cspan style=\" font-size: 12pt;\"\u003e With the exclusive Taco PowerPort Plug-In Cards, you can easily add such features as post purge, priority protection and pump exercise. Any expandable switching relay can also interface with the Boiler Reset Control and Injection Mixing Add-On Power Controls.\u003c\/span\u003e\u003cbr style=\"\"\u003e \u003cspan style=\" font-size: 12pt;\"\u003e Mix-and-match as needed to customize the system. \u003c\/span\u003e\u003cbr\u003e \u003cbr\u003e \u003cb\u003eFeatures include:\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cul style=\"\"\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eExternal Indicator Lights\u003cbr\u003e \u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSwitchable Priority\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSimplified Wiring\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eFully Enclosed Snap-Out Relays\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eCompact Design\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eFuse Protected\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003e100% Factory Tested\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eIsolated End Switch\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eContractor Friendly PC Board Layout\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eUniversal Thermostat Compatibility\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eUL and CSA Approved\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003e24 Volt Power Input or Output Terminal\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eExtended 3 Year Warranty\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eMade in the USA \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cspan style=\"font-size: 12pt; \"\u003e\u003cbr\u003e \u003c\/span\u003e","brand":"Taco","offers":[{"title":"Default Title","offer_id":47344059121837,"sku":"42936","price":159.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/sr503EXP1.jpg?v=1787901832"},{"product_id":"taco-sr-504-four-zone-pump-switching-relay-with-priority-replaces-arm842-dp","title":"Taco SR-504 Four Zone Pump Switching Relay with Priority (Replaces ARM842-DP)","description":"\u003cspan style=\"font-size: 12pt;\"\u003e\u003cspan style=\"\"\u003eTaco SR-504 Four Zone Pump Switching Relay with Priority (Replaces ARM842-DP)\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003cp style=\"\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eTaco Switching Relays combine clearly-labeled PC board layouts with advanced features that allow you to completely customize your system. Whether youre using basic priority switching, Taco Plug-In PowerPort Cards or add-on power controls, tailoring the system has never been easier. External indicator lights give you instant diagnostic feedback, making service calls or new installation start-ups a snap. All switching relays are UL listed, use standard \"ice cube\" replaceable relays and are compatible with conventional and programmable thermostats. For larger jobs, switching relays can be expanded up to 20 zones with priority.\u003cbr\u003e \u003cbr\u003e With the exclusive Taco PowerPort Plug-In Cards, you can easily add such features as post purge, priority protection and pump exercise. Any expandable switching relay can also interface with the Boiler Reset Control and Injection Mixing Add-On Power Controls.\u003cbr\u003e Mix-and-match as needed to customize the system. \u003cbr\u003e \u003cbr\u003e \u003cb\u003eFeatures include:\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cul style=\"\"\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eExternal Indicator Lights\u003cbr\u003e \u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSwitchable Priority\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSimplified Wiring\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eFully Enclosed Snap-Out Relays\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eCompact Design\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eFuse Protected\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003e100% Factory Tested\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eIsolated End Switch\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eContractor Friendly PC Board Layout\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eUniversal Thermostat Compatibility\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eUL and CSA Approved\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003e24 Volt Power Input or Output Terminal\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eExtended 3 Year Warranty\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eMade in the USA \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cspan style=\"font-size: 12pt;\"\u003e\u003cbr style=\"\"\u003e \u003c\/span\u003e","brand":"Taco","offers":[{"title":"Default Title","offer_id":47344059187373,"sku":"42190","price":189.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/sr504.jpg?v=1787901834"},{"product_id":"taco-sr504-exp-four-zone-pump-switching-relay-with-priority-and-3-powerports","title":"Taco SR504-EXP Four Zone Pump Switching Relay with Priority and 3 Powerports","description":"\u003cspan style=\"font-size: 12pt;\"\u003e\u003cspan style=\" font-weight: bold;\"\u003eProduct Manuals and Downloads:\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"font-size: 12pt;\"\u003e\u003cspan style=\"\"\u003eTaco SR504-EXP Four Zone Pump Switching Relay with Priority and 3 Powerports\u003c\/span\u003e\u003c\/span\u003e\u003cbr style=\"\"\u003e\u003cp style=\"\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eTaco Switching Relays combine clearly-labeled PC board layouts with advanced features that allow you to completely customize your system. Whether youre using basic priority switching, Taco Plug-In PowerPort Cards or add-on power controls, tailoring the system has never been easier. External indicator lights give you instant diagnostic feedback, making service calls or new installation start-ups a snap. All switching relays are UL listed, use standard \"ice cube\" replaceable relays and are compatible with conventional and programmable thermostats. For larger jobs, switching relays can be expanded up to 20 zones with priority.\u003cbr\u003e \u003cbr\u003e With the exclusive Taco PowerPort Plug-In Cards, you can easily add such features as post purge, priority protection and pump exercise. Any expandable switching relay can also interface with the Boiler Reset Control and Injection Mixing Add-On Power Controls.\u003cbr\u003e Mix-and-match as needed to customize the system. \u003cbr\u003e \u003cbr\u003e \u003cb\u003eFeatures include:\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cul style=\"\"\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eExternal Indicator Lights\u003cbr\u003e \u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSwitchable Priority\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSimplified Wiring\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eFully Enclosed Snap-Out Relays\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eCompact Design\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eFuse Protected\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003e100% Factory Tested\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eIsolated End Switch\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eContractor Friendly PC Board Layout\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eUniversal Thermostat Compatibility\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eUL and CSA Approved\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003e24 Volt Power Input or Output Terminal\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eExtended 3 Year Warranty\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eMade in the USA \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cspan style=\"font-size: 12pt;\"\u003e\u003cbr style=\"\"\u003e \u003c\/span\u003e","brand":"Taco","offers":[{"title":"Default Title","offer_id":47344059252909,"sku":"42937","price":221.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/sr504-4-10.jpg?v=1787901838"},{"product_id":"taco-sr506-5-six-zone-pump-switching-relay-with-priority","title":"Taco SR506-5 Six Zone Pump Switching Relay with Priority","description":"\u003cspan style=\"font-size: 12pt; \"\u003e\u003cspan style=\"font-size: 12pt; font-weight: bold;\"\u003e\u003c\/span\u003e\u003cspan style=\"font-weight: bold;\"\u003eProduct Manuals and Downloads:\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"font-size: 12pt; \"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eTaco\u003c\/span\u003e SR506 Six Zone Pump Switching Relay with Priority \u003c\/span\u003e\u003cbr\u003e\u003cp style=\"\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eTaco Switching Relays combine clearly-labeled PC board layouts with advanced features that allow you to completely customize your system. Whether youre using basic priority switching, Taco Plug-In PowerPort Cards or add-on power controls, tailoring the system has never been easier. External indicator lights give you instant diagnostic feedback, making service calls or new installation start-ups a snap. All switching relays are UL listed, use standard \"ice cube\" replaceable relays and are compatible with conventional and programmable thermostats. For larger jobs, switching relays can be expanded up to 20 zones with priority.\u003cbr\u003e \u003cbr\u003e With the exclusive Taco PowerPort Plug-In Cards, you can easily add such features as post purge, priority protection and pump exercise. Any expandable switching relay can also interface with the Boiler Reset Control and Injection Mixing Add-On Power Controls.\u003cbr\u003e Mix-and-match as needed to customize the system. \u003cbr\u003e \u003cbr\u003e \u003cb\u003eFeatures include:\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cul style=\"\"\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eExternal Indicator Lights\u003cbr\u003e \u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSwitchable Priority\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSimplified Wiring\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eFully Enclosed Snap-Out Relays\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eCompact Design\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eFuse Protected\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003e100% Factory Tested\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eIsolated End Switch\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eContractor Friendly PC Board Layout\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eUniversal Thermostat Compatibility\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eUL and CSA Approved\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003e24 Volt Power Input or Output Terminal\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eExtended 3 Year Warranty\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eMade in the USA \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cspan style=\"font-size: 12pt; \"\u003e\u003cbr\u003e \u003c\/span\u003e","brand":"Taco","offers":[{"title":"Default Title","offer_id":47344059318445,"sku":"21713","price":315.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/sr506.jpg?v=1787901841"},{"product_id":"taco-sr506-exp-5-taco-six-zone-pump-switching-relay-with-priority-and-3-powerports","title":"Taco SR506-EXP-5 Taco Six Zone Pump Switching Relay with Priority and 3 PowerPorts","description":"\u003cspan style=\"font-size: 12pt;\"\u003e\u003cspan style=\" font-weight: bold;\"\u003eProduct Manuals and Downloads:\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"font-size: 12pt;\"\u003e\u003cspan style=\"\"\u003eTaco SR506-EXP-5 Taco Six Zone Pump Switching Relay with Priority and 3 PowerPorts\u003c\/span\u003e\u003c\/span\u003e\u003cbr style=\"\"\u003e\u003cp style=\"\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eTaco Switching Relays combine clearly-labeled PC board layouts with advanced features that allow you to completely customize your system. Whether youre using basic priority switching, Taco Plug-In PowerPort Cards or add-on power controls, tailoring the system has never been easier. External indicator lights give you instant diagnostic feedback, making service calls or new installation start-ups a snap. All switching relays are UL listed, use standard \"ice cube\" replaceable relays and are compatible with conventional and programmable thermostats. For larger jobs, switching relays can be expanded up to 20 zones with priority.\u003cbr\u003e \u003cbr\u003e With the exclusive Taco PowerPort Plug-In Cards, you can easily add such features as post purge, priority protection and pump exercise. Any expandable switching relay can also interface with the Boiler Reset Control and Injection Mixing Add-On Power Controls.\u003cbr\u003e Mix-and-match as needed to customize the system. \u003cbr\u003e \u003cbr\u003e \u003cb\u003eFeatures include:\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cul style=\"\"\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eExternal Indicator Lights\u003cbr\u003e \u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSwitchable Priority\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSimplified Wiring\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eFully Enclosed Snap-Out Relays\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eCompact Design\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eFuse Protected\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003e100% Factory Tested\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eIsolated End Switch\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eContractor Friendly PC Board Layout\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eUniversal Thermostat Compatibility\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eUL and CSA Approved\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003e24 Volt Power Input or Output Terminal\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eExtended 3 Year Warranty\u003cbr\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eMade in the USA \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cspan style=\"font-size: 12pt;\"\u003e\u003cbr style=\"\"\u003e \u003c\/span\u003e","brand":"Taco","offers":[{"title":"Default Title","offer_id":47344059383981,"sku":"42237","price":315.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/sr506.1.jpg?v=1787901843"},{"product_id":"taco-zvc404-four-zone-valve-control-w-priority","title":"Taco ZVC404 Four Zone Valve Control w\/Priority","description":"\u003cspan style=\"font-size: 12pt;\"\u003e\u003cspan style=\"\"\u003eTaco ZVC404 Four Zone Valve Control w\/Priority\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003cp style=\"\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eTaco Zone Valve Controls simplify the wiring nightmare. They work with 2-, 3- or 4-wire zone valves and their easy-to-follow PC board layout eliminates the problems caused by incorrect wiring and the unfinished look of conventional zone valve installations. External indictor lights give you instant diagnostic feedback and reduce installation time. Use them combined with Taco Zone Valves and Thermostats to maximize system performance and dependability.\u003cbr\u003e \u003cbr\u003e \u003cb\u003eFeatures include:\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cul style=\"\"\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eExternal Indicator Lights\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSwitchable Priority\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSimplified Wiring\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eWorks with 2, 3, or 4-Wire Zone Valves\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eCompact Design\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eFuse Protected\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003e100% Factory Tested\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eTwo Isolated End Switches\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eExtra Set of Dry Contacts\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eContractor Friendly \u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003ePC Board Layout\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eUniversal Thermostat Compatibility\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eUL and CSA Approved\u003cbr\u003e \u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSturdy Screw Connections \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eExtended 3 Year Warranty\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eMade in the USA\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cspan style=\"font-size: 12pt;\"\u003e\u003cbr style=\"\"\u003e \u003c\/span\u003e","brand":"Taco","offers":[{"title":"Default Title","offer_id":47344076390573,"sku":"42238","price":147.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/ZVC4042.jpg?v=1787902282"},{"product_id":"taco-zvc406-exp-6-zone-valve-expandable-control-with-priority","title":"Taco ZVC406-EXP 6 Zone Valve Expandable Control with Priority","description":"\u003cspan style=\" font-size: 12pt;\"\u003e\u003c\/span\u003e\u003cspan style=\"\"\u003e\u003cbr\u003e \u003c\/span\u003eTaco Zone Valve Controls simplify the wiring nightmare. They work with 2-, 3- or 4-wire zone valves and their easy-to-follow PC board layout eliminates the problems caused by incorrect wiring and the unfinished look of conventional zone valve installations. External indictor lights give you instant diagnostic feedback and reduce installation time. Use them combined with Taco Zone Valves and Thermostats to maximize system performance and dependability.\u003cbr\u003e\u003cp style=\"\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003e \u003cbr\u003e \u003cb\u003eFeatures include:\u003c\/b\u003e\u003c\/span\u003e \u003c!--  [if gte mso 9]\u003e\u003cxml\u003e \u003cw:worddocument\u003e  \u003cw:view\u003eNormal\u003c\/w:view\u003e  \u003cw:zoom\u003e0\u003c\/w:zoom\u003e  \u003cw:punctuationkerning\u003e\u003c\/w:punctuationkerning\u003e  \u003cw:validateagainstschemas\u003e\u003c\/w:validateagainstschemas\u003e  \u003cw:saveifxmlinvalid\u003efalse\u003c\/w:saveifxmlinvalid\u003e  \u003cw:ignoremixedcontent\u003efalse\u003c\/w:ignoremixedcontent\u003e  \u003cw:alwaysshowplaceholdertext\u003efalse\u003c\/w:alwaysshowplaceholdertext\u003e  \u003cw:compatibility\u003e   \u003cw:breakwrappedtables\u003e\u003c\/w:breakwrappedtables\u003e   \u003cw:snaptogridincell\u003e\u003c\/w:snaptogridincell\u003e   \u003cw:wraptextwithpunct\u003e\u003c\/w:wraptextwithpunct\u003e   \u003cw:useasianbreakrules\u003e\u003c\/w:useasianbreakrules\u003e   \u003cw:dontgrowautofit\u003e\u003c\/w:dontgrowautofit\u003e  \u003c\/w:compatibility\u003e  \u003cw:browserlevel\u003eMicrosoftInternetExplorer4\u003c\/w:browserlevel\u003e \u003c\/w:worddocument\u003e\u003c\/xml\u003e\u003c![endif]  --\u003e \u003c!--  [if gte mso 9]\u003e\u003cxml\u003e \u003cw:latentstyles deflockedstate=\"false\" latentstylecount=\"156\"\u003e \u003c\/w:latentstyles\u003e\u003c\/xml\u003e\u003c![endif]  --\u003e \u003c!--  [if !mso]\u003e\u003cobject classid=\"clsid:38481807-CA0E-42D2-BF39-B33AF135CC4D\" id=\"ieooui\"\u003e\u003c\/object\u003e\u003cstyle\u003est1\\:*{behavior:url(#ieooui) }\u003c\/style\u003e\u003c![endif]  --\u003e \u003c!--  [if gte mso 10]\u003e\u003cstyle\u003e \/* Style Definitions *\/ table.MsoNormalTable\t{mso-style-name:\"Table Normal\";\tmso-tstyle-rowband-size:0;\tmso-tstyle-colband-size:0;\tmso-style-noshow:yes;\tmso-style-parent:\"\";\tmso-padding-alt:0in 5.4pt 0in 5.4pt;\tmso-para-margin:0in;\tmso-para-margin-bottom:.0001pt;\tmso-pagination:widow-orphan;\tfont-size:10.0pt;\t\"Times New Roman\";\tmso-ansi-language:#0400;\tmso-fareast-language:#0400;\tmso-bidi-language:#0400;}\u003c\/style\u003e\u003c![endif]  --\u003e\u003c\/p\u003e\u003cul style=\"margin-top: 0in;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\"\u003eExternal Indicator Lights\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eSwitchable Priority\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eSimplified Wiring\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eWorks with 2, 3, or 4-Wire Zone Valves\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eCompact Design\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eFuse Protected\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e100% Factory Tested\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eTwo Isolated End Switches\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eExtra Set of Dry Contacts\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eContractor Friendly\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003ePC Board Layout\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eUniversal Thermostat Compatibility\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eUL and CSA Approved\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eSturdy Screw Connections\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eExtended 3 Year Warranty\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"\"\u003e\u003cspan style=\"font-weight: bold;\"\u003eDocuments:\u003c\/span\u003e\u003c\/p\u003e\u003cspan style=\"font-size: 12pt;\"\u003e\u003cspan style=\"font-weight: bold;\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cul\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Taco","offers":[{"title":"Default Title","offer_id":47344083894445,"sku":"18987","price":204.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/zvc406exp.jpg?v=1787902447"},{"product_id":"taco-zvc403-4-three-zone-valve-control","title":"Taco ZVC403-4 Three Zone Valve Control","description":"\u003cspan style=\"\"\u003e\u003cspan style=\"font-size: 14pt;\"\u003eProduct Manuals and Downloads:\u003cbr\u003e \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size: 14pt; \"\u003eTaco ZVC403-4 Three Zone Valve Control\u003cbr\u003e \u003cbr\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size: 14pt; \"\u003eTaco Zone Controls are contractor-friendly and loaded with advanced features, so you get the complete hydronic system control you want, quickly and easily. Taco has whatever youre looking forSwitching Relays, Zone Valve Controls, Priority Zoning Circulators and Fan Controls. Together with Taco Zone Valves, Thermostats, the 00 family of circulators and a host of add-on controls, Taco offers the highest quality and most comprehensive selection of zoning products youll find anywhere. \u003cbr\u003e \u003c\/span\u003e \u003cb style=\"\"\u003e\u003cbr\u003e \u003c\/b\u003e","brand":"Taco","offers":[{"title":"Default Title","offer_id":47344083927213,"sku":"8833","price":133.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/ZVC403.jpg?v=1787902451"},{"product_id":"taco-zvc405-five-zone-valve-control","title":"Taco ZVC405 Five Zone Valve Control","description":"\u003cspan style=\" font-size: 12pt;\"\u003eTaco ZVC405 Five Zone Valve Control\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003cp style=\"\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eTaco Zone Valve Controls simplify the wiring nightmare. They work with 2-, 3- or 4-wire zone valves and their easy-to-follow PC board layout eliminates the problems caused by incorrect wiring and the unfinished look of conventional zone valve installations. External indictor lights give you instant diagnostic feedback and reduce installation time. Use them combined with Taco Zone Valves and Thermostats to maximize system performance and dependability.\u003cbr\u003e \u003cbr\u003e \u003cb\u003eFeatures include:\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cul style=\"\"\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eExternal Indicator Lights\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSwitchable Priority\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSimplified Wiring\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eWorks with 2, 3, or 4-Wire Zone Valves\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eCompact Design\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eFuse Protected\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003e100% Factory Tested\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eTwo Isolated End Switches\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eExtra Set of Dry Contacts\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eContractor Friendly \u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003ePC Board Layout\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eUniversal Thermostat Compatibility\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eUL and CSA Approved\u003cbr\u003e \u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSturdy Screw Connections \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eExtended 3 Year Warranty\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eMade in the USA\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cspan style=\"font-size: 12pt;\"\u003e\u003cbr style=\"\"\u003e \u003c\/span\u003e","brand":"Taco","offers":[{"title":"Default Title","offer_id":47344083959981,"sku":"42239","price":153.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/zvc405.jpg?v=1787902450"},{"product_id":"taco-zvc406-six-zone-valve-control-with-priority","title":"Taco ZVC406 Six Zone Valve Control with Priority","description":"\u003cspan style=\"font-size: 12pt;\"\u003e\u003cspan style=\"\"\u003eTaco ZVC406 Six Zone Valve Control with Priority\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003cp style=\"\"\u003e\u003cspan style=\"font-size: 12pt;\"\u003eTaco Zone Valve Controls simplify the wiring nightmare. They work with 2-, 3- or 4-wire zone valves and their easy-to-follow PC board layout eliminates the problems caused by incorrect wiring and the unfinished look of conventional zone valve installations. External indictor lights give you instant diagnostic feedback and reduce installation time. Use them combined with Taco Zone Valves and Thermostats to maximize system performance and dependability.\u003cbr\u003e \u003cbr\u003e \u003cb\u003eFeatures include:\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cul style=\"\"\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eExternal Indicator Lights\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSwitchable Priority\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSimplified Wiring\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eWorks with 2, 3, or 4-Wire Zone Valves\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eCompact Design\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eFuse Protected\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003e100% Factory Tested\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eTwo Isolated End Switches\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eExtra Set of Dry Contacts\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eContractor Friendly \u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003ePC Board Layout\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eUniversal Thermostat Compatibility\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eUL and CSA Approved\u003cbr\u003e \u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt;\"\u003eSturdy Screw Connections \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eExtended 3 Year Warranty\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eMade in the USA\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cspan style=\"font-size: 12pt;\"\u003e\u003cbr style=\"\"\u003e \u003c\/span\u003e","brand":"Taco","offers":[{"title":"Default Title","offer_id":47344084025517,"sku":"42143","price":229.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/ZVC406.jpg?v=1787902452"},{"product_id":"taco-sr024-001rp-replacement-circulator-relay-24v","title":"Taco SR024-001RP Replacement Circulator Relay 24V","description":"\u003cp\u003eR35AC Argo and Taco 24V AC Coil Premium Replacement Relay (Wide Spade) - \u003cbr\u003e\u003cbr\u003eTACO\u003cbr\u003eSR024-001RP\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Taco","offers":[{"title":"Default Title","offer_id":47345022599341,"sku":"R35AC","price":38.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/sr024-001rp-3.jpg?v=1787909648"},{"product_id":"taco-zvc404-exp-4-zone-valve-control-module-with-priority-expandable","title":"Taco ZVC404-EXP 4 Zone Valve Control Module with Priority - Expandable","description":"\u003cstrong\u003eZone Valve Controls\u003c\/strong\u003e \u003cbr\u003eTaco Zone Valve Controls work with two-, three-, or four-wire zone valves. Fully fuse protected, they also include two isolated end switches and built-in priority protection. The contractor friendly PC board layout eliminates the problems caused by incorrect wiring and the “unfinished” look of conventional zone valve installations. The sturdy screw connections add additional reliability, while the external indicator lights provide instant diagnostic feedback, reducing installation time. All Taco Zone Valve Controls are UL listed and carry an extended 3 year warranty. \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eTaco Expandable Zone Valve Controls\u003c\/strong\u003e \u003cbr\u003eWhether you want to expand up to 120 zones or utilize the advanced features of the Add-on Power Controls, Taco -EXP controls allow for simple integration of advanced features. Built-in Post Purge and Pump Exercise functions can optimize the operation of any system","brand":"Taco","offers":[{"title":"Default Title","offer_id":47345075126445,"sku":"ZVC404EXP","price":159.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/TacoZVC404-EXP.jpg?v=1787910186"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/collections\/DSCN4142.jpg?v=1787914168","url":"https:\/\/www.bostonheatingsupply.com\/collections\/tacorelays.oembed","provider":"Boston Heating Supply","version":"1.0","type":"link"}