{"product_id":"carrier-yac42110yacx102ak-contactor-1k1rz3","title":"OEM Carrier 3-Pole Contactor 40A for YAC42110YACX102AK — HN53CD024","description":"\u003ch1\u003eOEM Carrier 3-Pole Contactor 40A 24V Coil for Model YAC42110YACX102AK\u003c\/h1\u003e\u003cp\u003eThis OEM 3-pole contactor is the factory-specified replacement for the \u003cstrong\u003eCarrier YAC42110YACX102AK\u003c\/strong\u003e packaged or split-system unit. The contactor acts as the primary high-voltage relay in your HVAC system — when the thermostat calls for cooling or heating, the 24V control coil energizes and closes the contacts, allowing line-voltage power to flow to the compressor and associated loads. When the contactor fails, worn or pitted contacts prevent the circuit from closing, and the result is a system that simply won't turn on despite the thermostat signaling a call. In other cases, a stuck-closed contactor causes the compressor to run continuously even when no call is present — driving up energy bills and accelerating compressor wear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 3-Pole configuration | 40A FLA (Full Load Amperage) | 160–240 LRA | 24V coil (HN53CD024) or 208–240V\/50–60Hz coil (HN53CD208) | OEM Part Numbers: HN53CD024 \u0026amp; HN53CD208\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use factory-spec copper alloy contacts rated to exact tolerance. Generic aftermarket contactors often use lower-grade contact alloys that pit faster under inrush current, shortening service life and risking compressor damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting main power at the disconnect box before any contact with the unit. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter (to verify de-energized), and a phone\/camera to photograph existing wiring before removal. Always verify coil voltage on your unit's data plate matches the part ordered.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty. In-stock orders ship same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as the direct OEM replacement for Carrier model \u003cstrong\u003eYAC42110YACX102AK\u003c\/strong\u003e. Two OEM part numbers cover this application: \u003cstrong\u003eHN53CD024\u003c\/strong\u003e (24V coil) and \u003cstrong\u003eHN53CD208\u003c\/strong\u003e (208–240V coil) — verify your unit's control coil voltage on the data plate before ordering. Questions about fitment? Our HVAC parts specialists confirm compatibility before you buy. Order now and receive same-day shipping.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640193536371,"sku":"CARRIE-YAC42110YACX102AK-CONTACTOR-HN53CD024","price":193.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640193569139,"sku":"CARRIE-YAC42110YACX102AK-CONTACTOR-HN53CD024-GEN","price":170.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-HN53CD024_98fe89cf-9ca6-44a5-a14d-e869f8cdada1.jpg?v=1775016068","url":"https:\/\/nationalhvacparts.com\/products\/carrier-yac42110yacx102ak-contactor-1k1rz3","provider":"National HVAC Parts","version":"1.0","type":"link"}