{"product_id":"rheem-42-21279-04-24v-4pst-n-o-sequencing-relay","title":"Rheem 42-21279-04 24V 4PST-N\/O SEQUENCING RELAY","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eRheem 42-21279-04\u003c\/strong\u003e is a \u003cstrong\u003e24V 4PST-N\/O (Four-Pole Single-Throw, Normally Open) Sequencing Relay\u003c\/strong\u003e designed as a genuine Rheem OEM replacement component for compatible heating systems.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 4PST (Four-Pole Single-Throw)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContact Type:\u003c\/strong\u003e N\/O (Normally Open)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Sequencing Relay\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 42-21279-04\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Rheem\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat Is a Sequencing Relay?\u003c\/h3\u003e\n\u003cp\u003eA \u003cstrong\u003esequencing relay\u003c\/strong\u003e is a critical component in electric heating systems. It controls the staged activation of heating elements, ensuring they energize in a timed sequence rather than all at once. This prevents excessive electrical demand and protects the system from overload, contributing to more efficient and reliable operation.\u003c\/p\u003e\n\n\u003ch3\u003eGenuine OEM Replacement Part\u003c\/h3\u003e\n\u003cp\u003eThis relay is a \u003cstrong\u003egenuine Rheem OEM part\u003c\/strong\u003e, ensuring proper fit, function, and compatibility with applicable Rheem equipment. Using an authentic manufacturer replacement part helps maintain the performance and integrity of your heating system.\u003c\/p\u003e\n\n\u003ch3\u003eImportant Note\u003c\/h3\u003e\n\u003cp\u003eAlways verify your equipment's model and part number before purchasing to ensure compatibility. Installation should be performed by a qualified HVAC technician in accordance with local codes and manufacturer guidelines.\u003c\/p\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":51514503168306,"sku":"42-21279-04","price":33.12,"currency_code":"USD","in_stock":true}],"url":"https:\/\/malachypartsplus.com\/es\/products\/rheem-42-21279-04-24v-4pst-n-o-sequencing-relay","provider":"Malachy Parts+","version":"1.0","type":"link"}