{"product_id":"r18kt0001-mortex-heat-controller-control-board","title":"R18KT0001 Mortex \/ Heat Controller CONTROL BOARD","description":"\u003ch1\u003eR18KT0001 Mortex \/ Heat Controller CONTROL BOARD\u003c\/h1\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003eR18KT0001 Control Board\u003c\/strong\u003e is the primary logic\/control module for Heat Controller\/Mortex HVAC systems. It receives inputs from limit switches, temperature sensors, and the thermostat, then controls:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBlower on\/off timing\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHeat sequencing\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSafety lockouts\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSystem shutdown logic\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCommunication with sensors and components\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eIt is used in both \u003cstrong\u003eresidential and light‑commercial Heat Controller units\u003c\/strong\u003e, including many \u003cstrong\u003eComfort‑Aire\u003c\/strong\u003e and \u003cstrong\u003eCentury\u003c\/strong\u003e branded furnaces and air handlers. \u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"relative pb-6 w-full after:border-b after:border-stroke-300 after:w-full after:absolute after:mt-3\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003e🔧 \u003cstrong\u003eCross‑Reference \/ Replaces\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eBased on available listings and typical Heat Controller part lineage:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eR18KT0001\u003c\/strong\u003e (primary OEM)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eHeat Controller OEM Control Board\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUsed across multiple Heat Controller furnace families (Comfort‑Aire \/ Century)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompatible with several Mortex‑built systems that used Heat Controller electronics\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eCommon Symptoms This Board Fixes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFurnace won’t start\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBlower runs continuously\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIntermittent heat or no‑heat\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSensor communication errors\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBurned components from power surge \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"relative pb-6 w-full after:border-b after:border-stroke-300 after:w-full after:absolute after:mt-3\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003e🛠️ \u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDisconnect power and discharge capacitors\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eLabel all wiring before removal\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMount board securely and reconnect per diagram\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRestore power and test full cycle\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"part-mfr clearfix\" id=\"manufacturer\"\u003e\u003cspan class=\"pull-left\"\u003eHeat Controller\u003c\/span\u003e\u003c\/h4\u003e\n\u003ch3 id=\"part-num\"\u003eR18KT0001\u003c\/h3\u003e\n\u003cdiv id=\"keywords\"\u003e\n\u003ch4\u003eDescription\u003c\/h4\u003e\n\u003cdiv id=\"description\"\u003eCONTROL BOARD\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Quinn","offers":[{"title":"Default Title","offer_id":16078687109186,"sku":"173-R18KT0001","price":198.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1071\/8320\/products\/th_1_eaf1528d-b783-412f-8f1e-4858622b9f49.jpg?v=1739532865","url":"https:\/\/hvacpartstore.com\/products\/r18kt0001-mortex-heat-controller-control-board","provider":"HVACpartstore","version":"1.0","type":"link"}