{"product_id":"rheem-42-21518-81-21vdc-3pdt-defrost-relay","title":"Rheem 42-21518-81 21VDC 3PDT DEFROST RELAY","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eRheem 42-21518-81\u003c\/strong\u003e is a \u003cstrong\u003e21VDC 3PDT Defrost Relay\u003c\/strong\u003e designed as a genuine OEM replacement component for compatible Rheem heating and cooling systems. This relay plays a critical role in managing the defrost cycle, ensuring reliable and efficient operation of your HVAC equipment.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Rheem\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 42-21518-81\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoil Voltage:\u003c\/strong\u003e 21VDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay Type:\u003c\/strong\u003e 3PDT (Triple Pole Double Throw)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Defrost Relay\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eComponent Details\u003c\/h3\u003e\n\u003cp\u003eThis relay features a \u003cstrong\u003e3PDT (Triple Pole Double Throw)\u003c\/strong\u003e configuration, which allows it to simultaneously control multiple circuits during the defrost cycle. Operating at \u003cstrong\u003e21 volts DC\u003c\/strong\u003e, it is engineered to meet the precise electrical requirements of compatible Rheem systems.\u003c\/p\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAlways verify compatibility with your specific Rheem model before purchasing\u003c\/li\u003e\n\u003cli\u003eInstallation should be performed by a qualified HVAC technician\u003c\/li\u003e\n\u003cli\u003eUse the part number \u003cstrong\u003e42-21518-81\u003c\/strong\u003e to confirm this is the correct replacement for your unit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDimensions\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" \u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWidth:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" \u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeight:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Rheem","offers":[{"title":"Default Title","offer_id":51514503299378,"sku":"42-21518-81","price":54.18,"currency_code":"USD","in_stock":true}],"url":"https:\/\/malachypartsplus.com\/es\/products\/rheem-42-21518-81-21vdc-3pdt-defrost-relay","provider":"Malachy Parts+","version":"1.0","type":"link"}