{"product_id":"carrier-ca14na03000gaaaa-contactor-1iwxlq","title":"OEM Carrier 40A Contactor 2-Pole 24V Coil for CA14NA03000GAAAA","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model CA14NA03000GAAAA\u003c\/h1\u003e\u003cp\u003eThis is the OEM factory-specified contactor (part number \u003cstrong\u003eHN51KC024\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier CA14NA03000GAAAA\u003c\/strong\u003e split-system air conditioner. The contactor is a high-voltage relay that receives a 24V signal from the thermostat and closes to allow 240V power to flow to the compressor and condenser fan motor. When it fails, the most common symptoms include the outdoor unit not turning on at all, the unit running continuously without cycling off, or visible pitting and burning on the contact points.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | 240V load voltage | 30–40A contact rating | Direct OEM replacement for part number HN51KC024\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, ensuring reliable switching and longer service life. Generic contactors often use lower-grade contacts that pit and weld faster under load, causing premature failure 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 the breaker before servicing. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring before disconnecting terminals. A multimeter check of coil voltage (24V) and contact continuity will confirm diagnosis before replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock units ship same business day from our warehouse when ordered before 3 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as a direct OEM replacement for the Carrier \u003cstrong\u003eCA14NA03000GAAAA\u003c\/strong\u003e split-system condenser. Always verify the coil voltage and pole configuration on your unit's data plate and existing contactor before ordering. Our fitment team is available to confirm compatibility — just reach out before you buy. Order today and get your system back up and running fast with same-day shipping available.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909652205939,"sku":"CARRIE-CA14NA03000GAAAA-CONTACTOR-HN51KC024","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909652238707,"sku":"CARRIE-CA14NA03000GAAAA-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_01dd1306-2404-42be-bb40-e53c36e1c962.jpg?v=1782898886","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ca14na03000gaaaa-contactor-1iwxlq","provider":"National HVAC Parts","version":"1.0","type":"link"}