{"product_id":"tempstar-1-pole-35a-24v-contactor-for-tch442akd1-oem-1050839-ships-today","title":"Tempstar 1-Pole 35A 24V Contactor for TCH442AKD1 — OEM 1050839 | Ships Today","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eThis genuine OEM single-pole definite-purpose contactor (part 1050839) is the main switching relay for the Tempstar TCH442AKD1 condensing unit. Rated 35 amps with a 24V control coil, it energizes when the thermostat calls for cooling, sending line voltage to the compressor and condenser fan motor. Contactors are high-wear components: their silver contacts arc every cycle and eventually pit, weld, or burn, while ants and debris can jam the plunger. A failing contactor causes hard starts, chattering, buzzing, or a unit that won't run at all even though the thermostat is calling. Replacing this wear item restores clean, reliable switching and protects the compressor from voltage drop and chatter damage.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e1050839\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eDefinite Purpose Contactor, Single-Pole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eTempstar (ICP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Rating\u003c\/td\u003e\n\u003ctd\u003e35A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoil Voltage\u003c\/td\u003e\n\u003ctd\u003e24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePoles\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFits Model\u003c\/td\u003e\n\u003ctd\u003eTCH442AKD1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment\u003c\/td\u003e\n\u003ctd\u003eOEM direct replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eDesigned for the Tempstar TCH442AKD1 and widely shared across ICP-family condensing units (Heil, Comfortmaker, Tempstar) using a 35A 1-pole 24V contactor. Confirm amp rating, pole count, and 24V coil before ordering.\u003c\/p\u003e\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety First\u003c\/strong\u003e — Disconnect power at the disconnect and breaker, then verify zero voltage with a multimeter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccess\u003c\/strong\u003e — Remove the control-panel service cover.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocument\u003c\/strong\u003e — Photograph all line, load, and 24V coil wires before disconnecting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove\u003c\/strong\u003e — Unscrew the old contactor from its mounting and transfer wires one at a time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall\u003c\/strong\u003e — Mount the new contactor and reconnect each wire to the matching terminal per your photo.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest\u003c\/strong\u003e — Restore power and confirm the contactor pulls in on a cooling call and the compressor and fan start.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003eSigns You Need a Replacement\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLoud buzzing, humming, or chattering from the contactor.\u003c\/li\u003e\n\u003cli\u003ePitted, blackened, or welded contacts.\u003c\/li\u003e\n\u003cli\u003eCompressor\/fan won't start on a cooling call.\u003c\/li\u003e\n\u003cli\u003ePlunger sticks or won't pull in fully.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eShipping \u0026amp; Returns\u003c\/h3\u003e\u003cp\u003eShips same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.\u003c\/p\u003e","brand":"Tempstar","offers":[{"title":"Direct Replacement","offer_id":63021654770035,"sku":"1050839-GEN","price":26.0,"currency_code":"USD","in_stock":true},{"title":"OEM","offer_id":63048388608371,"sku":"1050839","price":33.8,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-1pole-1050839_6ddf8330-1df7-49bc-bea4-278b0d42616b.jpg?v=1782957440","url":"https:\/\/nationalhvacparts.com\/products\/tempstar-1-pole-35a-24v-contactor-for-tch442akd1-oem-1050839-ships-today","provider":"National HVAC Parts","version":"1.0","type":"link"}