{"title":"Low Water Cut-Offs\/Pump Controllers","description":"\u003cbr\u003e","products":[{"product_id":"mcdonnell-miller-150s-mechanical-combination-low-water-cut-off-pump-controller","title":"McDonnell \u0026 Miller 150S Mechanical Combination Low Water Cut-Off \/ Pump Controller","description":"McDonnell Miller, Model 150S ( 171702 ), Mechanical Combination Low Water Cut-Off \/ Pump Controller for Steam Boilers\u003cbr\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/150S.pdf\"\u003e\u003cbr\u003e Series 150S Specifications \u003c\/a\u003e\u003cbr\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/Replacement_Parts_150S.pdf\"\u003eReplacement Parts Series 150 150S 150E Series 157 157S 157E\u003c\/a\u003e\u003cbr\u003e \u003cbr\u003e\u003ctable style=\"width: 100%;\" border=\"0\" cellpadding=\"4\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\"\u003e\u003cb\u003e\u003cspan class=\"ProductDetailsTitle\"\u003eFeatures\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003cul class=\"ProductFeature\"\u003e\n\u003cli\u003eFor commercial and industrial low or high pressure boiler applications\u003c\/li\u003e\n\u003cli\u003eFor boilers of any steaming capacity\u003c\/li\u003e\n\u003cli\u003eMonel bellows provides corrosion resistance\u003c\/li\u003e\n\u003cli\u003eSnap action switches for high temperature service\u003cbr\u003e - 1 Single pole, single throw switch for pump control\u003cbr\u003e - 1 Single pole, double throw switch for low water cut-off and alarm actuation\u003c\/li\u003e\n\u003cli\u003eMaximum pressure 150 psi (10.5 kg\/cmÃÃÃÃÃÂ ²)\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ctable style=\"width: 100%;\" border=\"0\" cellpadding=\"4\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\"\u003e\u003cb\u003e\u003cspan class=\"ProductDetailsTitle\"\u003eSpecification\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\" height=\"1\"\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background: none repeat scroll 0% 0% #adc6e2;\" width=\"180\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background: none repeat scroll 0% 0% #eeeeee;\"\u003eBoiler Controls\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background: none repeat scroll 0% 0% #adc6e2;\" width=\"180\"\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background: none repeat scroll 0% 0% #eeeeee;\"\u003e150S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background: none repeat scroll 0% 0% #adc6e2;\" width=\"180\"\u003e\u003cstrong\u003eModel No.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background: none repeat scroll 0% 0% #eeeeee;\"\u003e150S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background: none repeat scroll 0% 0% #adc6e2;\" width=\"180\"\u003e\u003cstrong\u003eStandards\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background: none repeat scroll 0% 0% #eeeeee;\"\u003eUL listed, CSA certified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"30\"\u003e\u003ctd style=\"background: none repeat scroll 0% 0% #ffffff;\" colspan=\"2\" valign=\"bottom\" width=\"180\"\u003e\u003cem style=\"font-weight: bold;\"\u003eElectrical Ratings - 120 VAC\u003c\/em\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background: none repeat scroll 0% 0% #adc6e2;\" width=\"180\"\u003e\u003cstrong\u003ePump Circuit Rating (Amperes) - 120 VAC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background: none repeat scroll 0% 0% #eeeeee;\"\u003eFull Load - 7.4\u003cbr\u003e Locked Rotor - 44.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background: none repeat scroll 0% 0% #adc6e2;\" width=\"180\"\u003e\u003cstrong\u003ePilot Duty - 120 VAC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background: none repeat scroll 0% 0% #eeeeee;\"\u003e345 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background: none repeat scroll 0% 0% #adc6e2;\" width=\"180\"\u003e\u003cstrong\u003eAlarm Circuit Rating (Amperes) - 120 VAC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background: none repeat scroll 0% 0% #eeeeee;\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"30\"\u003e\u003ctd style=\"background: none repeat scroll 0% 0% #ffffff;\" colspan=\"2\" valign=\"bottom\" width=\"180\"\u003e\u003cem style=\"font-weight: bold;\"\u003eElectrical Ratings - 240 VAC\u003c\/em\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background: none repeat scroll 0% 0% #adc6e2;\" width=\"180\"\u003e\u003cstrong\u003ePump Circuit Rating (Amperes) - 240 VAC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background: none repeat scroll 0% 0% #eeeeee;\"\u003eFull Load - 3.7\u003cbr\u003e Locked Rotor - 22.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background: none repeat scroll 0% 0% #adc6e2;\" width=\"180\"\u003e\u003cstrong\u003ePilot Duty - 240 VAC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background: none repeat scroll 0% 0% #eeeeee;\"\u003e345 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background: none repeat scroll 0% 0% #adc6e2;\" width=\"180\"\u003e\u003cstrong\u003eAlarm Circuit Rating (Amperes) - 240 VAC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"background: none repeat scroll 0% 0% #eeeeee;\"\u003e1\/2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"McDonnell \u0026 Miller","offers":[{"title":"Default Title","offer_id":47344175087789,"sku":"171702","price":992.91,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/171702.jpg?v=1787904405"},{"product_id":"mcdonnell-miller-157s-low-water-cut-off-pump-controller","title":"McDonnell \u0026 Miller 157S Low Water Cut-Off \/ Pump Controller","description":"\u003cp\u003eMcDonnell Miller, Series 157S Low Water Cut-Off\/Pump Controllers ( 173502 )\u003cbr\u003e\u003cbr\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/173502_Installation_Manual.pdf\"\u003eInstallation Manual\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/173502_Replacement_Parts.pdf\"\u003eReplacement Parts\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/173502_Specs.pdf\"\u003eSpecification Sheet\u003c\/a\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv id=\"product-description\" class=\"productinfo ui-tabs-panel ui-widget-content ui-corner-bottom ui-accordion\"\u003e\n\u003cdiv class=\"column\"\u003e\n\u003cstrong\u003eFeatures and Benefits\u003c\/strong\u003e\n\u003cul class=\"continued\"\u003e\n\u003cli\u003eFor residential, commercial and industrial low or high\u003c\/li\u003e\n\u003cli\u003epressure boiler applications\u003c\/li\u003e\n\u003cli\u003eFor boilers of any steaming capacity\u003c\/li\u003e\n\u003cli\u003eMonel bellows provides corrosion resistance\u003c\/li\u003e\n\u003cli\u003eFloat chamber with integral water column provided\u003c\/li\u003e\n\u003cli\u003eSnap action for high temperature service\u003c\/li\u003e\n\u003cli\u003e1 Single pole, single throw switch for pump control\u003c\/li\u003e\n\u003cli\u003e1 Single pole, double throw switch for low water\u003c\/li\u003e\n\u003cli\u003ecut-off and alarm actuation\u003c\/li\u003e\n\u003cli\u003eOptional features\u003c\/li\u003e\n\u003cli\u003eManual reset\u003c\/li\u003e\n\u003cli\u003eIntegral conductance probes for additional levels and\u003c\/li\u003e\n\u003cli\u003egreater operating differential-Model 157S-RBP-MD\u003c\/li\u003e\n\u003cli\u003e1\" or 114\" NPT equalizing tappings\u003c\/li\u003e\n\u003cli\u003e12\" or 34\" NPT tappings for gauge glass\/tri-cock\u003c\/li\u003e\n\u003cli\u003einstallations\u003c\/li\u003e\n\u003cli\u003eBSPT threads\u003c\/li\u003e\n\u003cli\u003eMaximum pressure 150 psi (10.5 kg\/cm2)\u003c\/li\u003e\n\u003cli\u003eFor new electronic 150E Series see page 37\u003c\/li\u003e\n\u003cli\u003eModel 157S-MD\u003c\/li\u003e\n\u003cli\u003eMaximum differential operation\u003c\/li\u003e\n\u003cli\u003ePrevents nuisance burner shutdowns in low pressure\u003c\/li\u003e\n\u003cli\u003eapplications\u003c\/li\u003e\n\u003cli\u003eMaximum operating pressure 50 psi (3.5 kg\/\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"McDonnell \u0026 Miller","offers":[{"title":"Default Title","offer_id":47344175120557,"sku":"14278","price":1523.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/157s.jpg?v=1787904406"},{"product_id":"mcdonnell-miller-150s-m-float-type-combo-lwco-pump-controller-w-manual-reset-steam","title":"McDonnell Miller 150S-M, Float Type, Combo LWCO \u0026 Pump Controller, w\/ Manual Reset (Steam)","description":"\u003cp\u003eNEW # 172806\u003cbr\u003e\u003cbr\u003eFor commercial and industrial low or high pressure boiler applications\u003c\/p\u003e\u003cdiv class=\"tab_main\"\u003e\n\u003cul\u003e\u003cli\u003eFor boilers of any steaming capacity\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\u003cul\u003e\u003cli\u003eMonel bellows provides corrosion resistance\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\u003cul\u003e\u003cli\u003eSnap action switches for high temperature service\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e - 1 Single pole, single throw switch for pump control\u003cbr\u003e - 1 Single pole, double throw switch for low water cut-off and alarm actuation\u003cbr\u003e\u003cul\u003e\u003cli\u003eOptional features\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e - Manual reset\u003cbr\u003e - 2 Single pole, single throw switches\u003cbr\u003e - 2 Single pole, double throw switches\u003cbr\u003e - Float block\u003cbr\u003e - BSPT threads\u003cbr\u003e\u003cul\u003e\u003cli\u003eMaximum pressure 150 psi (10.5 kg\/cm2)\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\u003ctable summary=\"Specs Listings for Cash-Acme U360 - 3\/8' x 3\/8' x 3\/8' Tee\" cellspacing=\"0\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSteam Boilers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSwitch:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSPST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eSPDT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Pressure:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e150 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCombo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eFloat-Style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSnap Switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReset Type:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eManual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDepth (Inches):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13-1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWidth (Inches):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12-7\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrical Ratings (AFL):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.4 A @ 120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e3.7 A @ 240 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrical Ratings (ALR):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e22.2 A @ 240 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e44.4 A @ 120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePilot Duty Rating:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e345 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread Size:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnection Type:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThreaded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\u003cbr\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/150S.pdf?v=1788404032\"\u003e\u003cbr\u003e Series 150S Specifications \u003c\/a\u003e\u003cbr\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/Replacement_Parts_150S.pdf?v=1788404064\"\u003eReplacement Parts Series 150 150S 150E Series 157 157S 157E\u003c\/a\u003e","brand":"McDonnell \u0026 Miller","offers":[{"title":"Default Title","offer_id":47344201826477,"sku":"172806","price":1162.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/172702.jpg?v=1787905036"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/collections\/171702.jpg?v=1787914227","url":"https:\/\/www.bostonheatingsupply.com\/collections\/pumpcontrollers.oembed","provider":"Boston Heating Supply","version":"1.0","type":"link"}