{"product_id":"carrier-c48a202751-contactor-1k1tl0","title":"OEM Carrier Contactor 2-Pole 24V Coil for C48A202751 — Ships Today","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor for Model C48A202751 Packaged Unit\u003c\/h1\u003e\u003cp\u003eThis is the factory-specified OEM replacement contactor for the \u003cstrong\u003eCarrier C48A202751\u003c\/strong\u003e packaged unit. The contactor is a high-voltage relay controlled by the 24V signal from your thermostat — when the call for cooling arrives, the contactor closes and delivers line voltage to the compressor and condenser fan motor. A failed contactor is one of the most common causes of an air conditioning system that simply won't turn on, hums without starting, or trips the breaker repeatedly. Pitted or welded contacts and a weak coil are the most frequent failure modes.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | Heavy-duty contact rating | Replaces OEM part numbers \u003cstrong\u003eHN53CB115\u003c\/strong\u003e and \u003cstrong\u003eHN53HF122\u003c\/strong\u003e — direct drop-in fit, no modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors from Carrier use silver-alloy contacts rated for thousands of switching cycles. Aftermarket units often use lower-grade contacts that pit faster under load, leading to premature failure and potential compressor damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Always disconnect power at the breaker and capacitor before touching any wiring. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring before removing the old contactor to ensure correct terminal reassignment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Orders placed before cutoff ship the same business day from our climate-controlled HVAC parts warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the \u003cstrong\u003eCarrier C48A202751\u003c\/strong\u003e packaged unit. Cross-references OEM part numbers HN53CB115 and HN53HF122. Confirm coil voltage and pole count on your unit's data plate or wiring diagram before ordering. Not sure it fits? Our HVAC parts specialists verify fitment at no charge — reach out before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909761814899,"sku":"CARRIE-C48A202751-CONTACTOR-HN53CB115","price":40.8,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909761847667,"sku":"CARRIE-C48A202751-CONTACTOR-HN53CB115-GEN","price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-2pole-HN53CB115_93d38d61-16c4-4b52-8e21-389fd56b5e04.jpg?v=1782904356","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c48a202751-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}