{"product_id":"carrier-c4850c48ay03661-contactor-1k1tl0","title":"OEM Carrier Contactor 2-Pole 24V Coil for C4850C48AY03661","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C4850C48AY03661\u003c\/h1\u003e\u003cp\u003eThis is the factory-specified OEM replacement contactor for the \u003cstrong\u003eCarrier C4850C48AY03661\u003c\/strong\u003e packaged unit. The contactor is a high-voltage relay controlled by your thermostat's 24V signal — when the thermostat calls for cooling, the contactor closes its contacts to send 240V power to the compressor and condenser fan motor. A failed contactor is one of the most common causes of an air conditioner that simply won't turn on, hums without starting, or runs continuously without cycling off. Pitted or burned contacts are a telltale sign of contactor failure and should be addressed immediately to prevent compressor damage.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole design | 24V coil voltage | Rated for high-amperage compressor loads | OEM part numbers HN53CB115 and HN53HF122 — verify your unit's existing part number before ordering\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM Carrier contactors are manufactured to exact factory contact-gap and coil-pull specifications. Generic contactors may use lower-grade contact materials that pit faster under load, reducing service life and risking compressor damage from voltage irregularities.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always disconnect power at the disconnect box and verify voltage is zero with a multimeter before proceeding. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before removing the old contactor.\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 warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003eC4850C48AY03661\u003c\/strong\u003e packaged unit. Two OEM part numbers — HN53CB115 and HN53HF122 — are associated with this model; confirm the part number on your existing contactor's label or your unit's wiring diagram to ensure correct selection. Not sure which applies to your unit? Contact our parts team — we verify fitment before you order so there are no surprises. \u003cstrong\u003eIn stock and ready to ship today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909881680243,"sku":"CARRIE-C4850C48AY03661-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909881713011,"sku":"CARRIE-C4850C48AY03661-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_22658c11-3967-4bcb-8e09-d94dd319c477.jpg?v=1782904191","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c4850c48ay03661-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}