{"product_id":"r68ab0003-mortex-heat-relay","title":"R68AB0003  Mortex Heat Relay","description":"\u003ch1\u003eR68AB0003  Mortex Heat Relay\u003c\/h1\u003e\n\u003ch3\u003e\u003cspan\u003e\u003cstrong\u003eMortex R68AB0003 OEM Heat Relay\u003c\/strong\u003e The R68AB0003 is the \u003cstrong\u003efactory heating‑stage relay\u003c\/strong\u003e used in Mortex air handlers and electric furnace systems. This 24‑volt relay energizes the electric heat strips and associated blower circuits, ensuring proper staging, safe operation, and reliable heating performance.\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003eWhen older relays stick, chatter, or fail to close under load, the R68AB0003 restores correct heat‑strip activation and prevents intermittent or no‑heat conditions. Installs directly into Mortex control housings with OEM fitment.\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eRelay Type:\u003c\/strong\u003e Heating relay\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24 VAC coil\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFunction:\u003c\/strong\u003e Energizes heat strips \/ heating circuits\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Mortex air handlers \u0026amp; electric furnaces\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eUse Case:\u003c\/strong\u003e Heat‑stage switching, auxiliary heat control\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMounting:\u003c\/strong\u003e OEM relay bracket \/ socket configuration\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cstrong\u003eCross‑Reference Block \u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eCross Reference:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eR68AB0003\u003c\/strong\u003e (current OEM)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMortex heat relay\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e24V heating‑stage relay\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eManufactured‑housing HVAC relay\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Quinn","offers":[{"title":"Default Title","offer_id":45258515087426,"sku":"173-R68AB0003","price":76.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1071\/8320\/files\/Screenshot2026-09-21195607_46cc81cc-0780-42bb-87b3-1d2360b3e221.png?v=1790127375","url":"https:\/\/hvacpartstore.com\/products\/r68ab0003-mortex-heat-relay","provider":"HVACpartstore","version":"1.0","type":"link"}