{"product_id":"rheem-425077a-sequencing-relay","title":"Rheem 425077a Sequencing Relay","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe RHEEM 425077a is a sequencing relay used in electric heating systems to stage the activation of heating elements in a controlled sequence. By staggering element startup, the relay prevents large simultaneous current draws that would otherwise trip breakers or overload electrical circuits. It is a direct component in the control circuit of electric furnaces and air handlers, and is typically installed or replaced by a licensed HVAC technician during routine maintenance or system troubleshooting.\u003c\/p\u003e\n\u003cp\u003eSequencing relays are a standard component in residential electric forced-air heating systems. The 425077a fits within the electrical control assembly of an electric furnace or air handler where multiple heating elements must be staged on and off in sequence. Technicians encounter this part when diagnosing no-heat calls, partial heating output, or tripped breakers tied to uncontrolled simultaneous element startup.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eStages heating element activation to limit peak current draw\u003c\/li\u003e\n  \u003cli\u003eDesigned as a direct OEM-style replacement component\u003c\/li\u003e\n  \u003cli\u003eSold individually (each)\u003c\/li\u003e\n  \u003cli\u003eCompatible with electric furnace and air handler control circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement sequencing relay for residential electric furnaces and air handlers requiring staged heating element control.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation and replacement of sequencing relays should be performed by a licensed HVAC technician. Shut off all electrical power to the air handler or electric furnace at the disconnect and confirm with a meter before beginning work. Handle relay terminals carefully to avoid bending or damaging contact points. Work must comply with applicable NEC requirements for low-voltage and line-voltage control wiring in heating equipment.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnit of Measure\u003c\/strong\u003e: Each\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: RHEEM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 425077a\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RHEEM","offers":[{"title":"Default Title","offer_id":51383818846514,"sku":"425077A","price":51.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/312674320.webp?v=1782608326","url":"https:\/\/voomisupply.com\/products\/rheem-425077a-sequencing-relay","provider":"Voomi Supply","version":"1.0","type":"link"}