{"product_id":"carrier-ch14nb02400gbaaa-contactor-1iwxlq","title":"OEM Carrier 40A Contactor 2-Pole 24V Coil HN51KC024 — CH14NB02400GBAAA","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil HN51KC024 for Model CH14NB02400GBAAA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement contactor (part number \u003cstrong\u003eHN51KC024\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier CH14NB02400GBAAA\u003c\/strong\u003e split-system air conditioner. The contactor is the high-voltage relay that receives a 24V signal from your thermostat and closes the circuit to send 240V power to the compressor and condenser fan motor. When the contactor fails, the most common symptoms include the outdoor unit not turning on at all, the unit running constantly without cycling off, or visible pitting and burning on the contact points during inspection.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | 30–40 amp rating | Direct OEM replacement for part number HN51KC024 | Factory-matched electrical tolerances\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use silver-alloy contact points rated to factory specifications, resisting the arc erosion that causes premature failure. Generic contactors often use lower-grade alloys that pit faster, leading to repeat failures and potential compressor damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always shut off power at the disconnect box and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring connections before removing the old contactor. Terminals are typically labeled L1, L2 (line) and T1, T2 (load).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Orders placed before cutoff ship same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed specifically for the Carrier \u003cstrong\u003eCH14NB02400GBAAA\u003c\/strong\u003e condenser unit. Verify the coil voltage (24V) and pole count on your existing contactor's label before ordering to confirm fitment. Our HVAC parts specialists are available to verify compatibility before you buy — no guesswork required. \u003cstrong\u003eIn stock and ships today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909613146483,"sku":"CARRIE-CH14NB02400GBAAA-CONTACTOR-HN51KC024","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909613179251,"sku":"CARRIE-CH14NB02400GBAAA-CONTACTOR-HN51KC024-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-HN51KC024_9d5fa922-7425-4d17-8be7-ceed4518d9f5.jpg?v=1782899023","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ch14nb02400gbaaa-contactor-1iwxlq","provider":"National HVAC Parts","version":"1.0","type":"link"}