{"product_id":"carrier-c4850c48ay02521-contactor-1k1tl0","title":"OEM Carrier Contactor 2-Pole 24V Coil for C4850C48AY02521","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor HN53CB115 for Model C4850C48AY02521\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement contactor (part number \u003cstrong\u003eHN53CB115\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier C4850C48AY02521\u003c\/strong\u003e packaged unit. The contactor is the high-voltage relay that receives a 24V signal from the thermostat and closes to send line voltage to the compressor and condenser fan motor. When it fails — due to burned contacts, a worn coil, or contact welding — the system will either refuse to turn on entirely, run continuously without shutting off, or fail to respond to thermostat calls. This is one of the most commonly replaced components in any cooling system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | High-amperage rated contacts | Direct OEM replacement for part number HN53CB115\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM contactor uses factory-grade contact material and coil windings matched to Carrier's exact specifications. Generic contactors frequently use lower-grade contact alloys that pit and burn faster under high-cycle conditions, leading to premature failure and potential compressor damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Always disconnect power at the disconnect box and verify voltage is absent with a multimeter before touching any wiring. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before removal. Line voltage terminals carry lethal current — exercise caution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the \u003cstrong\u003eCarrier C4850C48AY02521\u003c\/strong\u003e packaged unit. Always verify OEM part number HN53CB115 against your unit's wiring diagram or data plate before ordering to confirm fitment. Our HVAC parts specialists are available to verify compatibility before you purchase — no guesswork required. Order today and get same-day shipping on all in-stock parts.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909885546867,"sku":"CARRIE-C4850C48AY02521-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909885579635,"sku":"CARRIE-C4850C48AY02521-CONTACTOR-HN53CB115-GEN","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-2pole-HN53CB115_8fecc077-46ee-4285-b110-c8e86ffd4a92.jpg?v=1782904179","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c4850c48ay02521-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}