{"product_id":"carrier-ca14na02400gbaaa-contactor-1iwxlq","title":"OEM Carrier Contactor 2-Pole 24V Coil for CA14NA02400GBAAA","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model CA14NA02400GBAAA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement contactor (part number \u003cstrong\u003eHN51KC024\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier CA14NA02400GBAAA\u003c\/strong\u003e split-system air conditioner. The contactor is a high-voltage relay controlled by the 24V signal from your thermostat — when the thermostat calls for cooling, the contactor closes and delivers line voltage to the compressor and condenser fan motor. A failed contactor is one of the most common reasons a condenser unit simply won't respond: you may hear the indoor air handler running while the outdoor unit stays completely silent, or notice 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-amp rated contacts | Direct OEM replacement for part number HN51KC024 | Factory-matched contact material and coil pull-in voltage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM unit uses factory-spec contact material and coil windings. Generic contactors frequently use lower-grade contacts that pit and weld prematurely — especially under high-cycling summer loads — reducing service life significantly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always disconnect and lock out power at the disconnect box before beginning. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring before removing any terminals. Transfer one wire at a time to avoid miswiring.\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 stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the Carrier \u003cstrong\u003eCA14NA02400GBAAA\u003c\/strong\u003e 2-ton split-system condenser. Confirm coil voltage (24V) and pole configuration on your unit's data plate or existing contactor before ordering. Our HVAC parts specialists are available to verify fitment — reach out before you order if you have any questions. In stock and ready to ship today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909652271475,"sku":"CARRIE-CA14NA02400GBAAA-CONTACTOR-HN51KC024","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909652304243,"sku":"CARRIE-CA14NA02400GBAAA-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_c025c373-3193-43a6-abc9-f86c6ad8a7af.jpg?v=1782904516","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ca14na02400gbaaa-contactor-1iwxlq","provider":"National HVAC Parts","version":"1.0","type":"link"}