{"product_id":"carrier-ch14na02400gaaaa-contactor-1iwxlq","title":"OEM Carrier Contactor 2-Pole 24V Coil for CH14NA02400GAAAA","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model CH14NA02400GAAAA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement contactor (part number \u003cstrong\u003eHN51KC024\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier CH14NA02400GAAAA\u003c\/strong\u003e split-system air conditioner. The contactor is a high-voltage relay that receives a 24V signal from your thermostat and closes the circuit to supply 240V power to the compressor and condenser fan motor. When the contactor fails — due to pitted or burned contacts, a stuck plunger, or a failed coil — your outdoor unit will not respond when the thermostat calls for cooling, leaving the system completely dead at the condenser.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | Rated for single-stage cooling operation | Factory-matched contact material and coil resistance for the CH14NA02400GAAAA platform\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use silver-alloy contact tips rated to factory amperage specifications, resisting pitting and arcing far longer than generic substitutes with lower-grade contacts. Using an OEM part protects your compressor investment and reduces callbacks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Always shut off power at the disconnect box AND the breaker panel before opening the unit. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before removing the old contactor. Line-voltage terminals remain live until power is fully disconnected — exercise extreme 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 Designed and factory-specified for the Carrier \u003cstrong\u003eCH14NA02400GAAAA\u003c\/strong\u003e 2-ton single-stage split-system condenser. Verify your existing contactor's pole count and coil voltage on the data plate or wiring diagram before ordering. Our fitment team is available to confirm compatibility before you purchase — no guesswork required.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909617045875,"sku":"CARRIE-CH14NA02400GAAAA-CONTACTOR-HN51KC024","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909617078643,"sku":"CARRIE-CH14NA02400GAAAA-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_e0d3da74-82ed-4e94-8f32-1afd67f31a95.jpg?v=1782904535","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ch14na02400gaaaa-contactor-1iwxlq","provider":"National HVAC Parts","version":"1.0","type":"link"}