{"product_id":"mcdonnell-miller-150s-m-md-hd-head-mechanism-w-snap-switch-gasket-172810","title":"McDonnell \u0026 Miller 150S-M-MD-HD Head Mechanism w. Snap Switch \u0026 Gasket (172810)","description":"McDonnell Miller 150S w\/ manual reset \u0026amp; Max diff, 173302\u003cbr\u003e For use with 150S-M-MD-HD\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eFor residential, commercial, and industrial applications. For boilers of any steam 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 switches for high temperature service.\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eMaximum pressure 150 psi.\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/MM_Replacement_Parts_Catalog.pdf?v=1788404069\"\u003eDownload the McDonnell Miller Replacement Catalog Here!\u003c\/a\u003e\u003c\/p\u003e","brand":"McDonnell \u0026 Miller","offers":[{"title":"Default Title","offer_id":47344172138669,"sku":"172810","price":715.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/McMill_150SMMDHD_completeheadforL.W.w.mainresetside_14309.jpg?v=1787918350","url":"https:\/\/www.bostonheatingsupply.com\/products\/mcdonnell-miller-150s-m-md-hd-head-mechanism-w-snap-switch-gasket-172810","provider":"Boston Heating Supply","version":"1.0","type":"link"}