{"product_id":"tempstar-contactor-for-tca248aka1-1-pole-35a-24v-coil-ships-today","title":"Tempstar Contactor for TCA248AKA1 — 1-Pole 35A 24V Coil | Ships Today","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThis genuine OEM single-pole definite purpose contactor (part number 1050839) is the correct replacement switch for the Tempstar TCA248AKA1 condensing unit. The contactor energizes the compressor and condenser fan motor each time the thermostat calls for cooling. Its 24-volt control coil closes a set of power contacts rated for 35 amps, sending high-voltage power to the outdoor unit. A failing contactor typically shows up as an outdoor unit that will not start, a loud buzz or chatter at the contactor, pitted or welded contacts that prevent the compressor from shutting off, or signs of arcing and heat damage on the terminals. Since the contactor cycles continuously through the cooling season, it is one of the most common wear items in an air conditioning system.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\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, 1-Pole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eTempstar (ICP \/ Heil family)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Rating\u003c\/td\u003e\n\u003ctd\u003e35 Amps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoil Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VAC\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\u003eFitment\u003c\/td\u003e\n\u003ctd\u003eOEM Replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eA direct OEM replacement for the Tempstar TCA248AKA1 condensing unit. The 1050839 contactor is also used across many ICP-built outdoor units sold under the Tempstar, Heil, Comfortmaker, and Arcoaire brands. Verify the existing part number and 24V coil rating before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety First\u003c\/strong\u003e — Disconnect power at the outdoor disconnect and breaker, then verify zero voltage with a multimeter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccess\u003c\/strong\u003e — Remove the electrical access panel on the condensing unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocument\u003c\/strong\u003e — Photograph every wire and terminal before disconnecting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove\u003c\/strong\u003e — Transfer the line, load, and 24V coil leads one at a time, then unscrew the old contactor from its bracket.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall\u003c\/strong\u003e — Mount the new 1050839 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, call for cooling, and confirm the contactor pulls in and the compressor and fan run.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eSigns You Need a Replacement\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCondenser will not start on a cooling call.\u003c\/li\u003e\n\u003cli\u003eBuzzing, humming, or chattering coming from the contactor.\u003c\/li\u003e\n\u003cli\u003eBurned or welded contacts that keep the compressor energized.\u003c\/li\u003e\n\u003cli\u003eArcing, melted housing, or scorch marks at the terminals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eShipping \u0026amp; Returns\u003c\/h3\u003e\n\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":63021664502131,"sku":"1050839-GEN","price":29.95,"currency_code":"USD","in_stock":true},{"title":"OEM","offer_id":63048427110771,"sku":"1050839","price":38.94,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-1pole-1050839_d6ffe45d-f218-4a74-a235-f86e47c58411.jpg?v=1782959224","url":"https:\/\/nationalhvacparts.com\/products\/tempstar-contactor-for-tca248aka1-1-pole-35a-24v-coil-ships-today","provider":"National HVAC Parts","version":"1.0","type":"link"}