{"product_id":"carrier-ph15nb04200gbbaa-contactor-1iwxlq","title":"OEM Carrier Contactor 24V Coil 2-Pole for PH15NB04200GBBAA","description":"\u003ch1\u003eOEM Carrier Contactor 24V Coil 2-Pole for Model PH15NB04200GBBAA\u003c\/h1\u003e\u003cp\u003eThis OEM replacement contactor (part number \u003cstrong\u003eHN51KC024\u003c\/strong\u003e) is the factory-specified switching relay for the \u003cstrong\u003eCarrier PH15NB04200GBBAA\u003c\/strong\u003e heat pump system. The contactor is a high-voltage relay controlled by the thermostat's 24V signal. When the thermostat calls for cooling or heating, the 24V coil energizes, closing the high-voltage contacts and supplying power to the compressor and condenser fan motor. A failed contactor is one of the most common causes of a system that simply won't turn on — symptoms include a unit that hums but won't start, burned or pitted contact points, or a contactor that stays stuck open or closed.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 24V AC coil voltage | 2-pole configuration | High-amperage contacts rated for compressor load | Factory-matched OEM replacement for part number HN51KC024\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM contactor engineered to exact factory specifications. Generic contactors may use lower-grade contact materials that pit and burn faster under the high inrush current of a compressor start, leading to premature failure and potential compressor damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Always disconnect power at the breaker and verify zero voltage with a multimeter before servicing. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring before disconnecting. The contactor is located inside the condenser unit's electrical panel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects in materials and workmanship. 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 as a direct OEM replacement for the Carrier \u003cstrong\u003ePH15NB04200GBBAA\u003c\/strong\u003e heat pump. Always verify your existing contactor's coil voltage and pole configuration against your unit's wiring diagram before ordering. Our technical team is available to confirm fitment — contact us before you buy if you have any questions.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641669767539,"sku":"CARRIE-PH15NB04200GBBAA-CONTACTOR-HN51KC024","price":68.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641669800307,"sku":"CARRIE-PH15NB04200GBBAA-CONTACTOR-HN51KC024-GEN","price":60.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-HN51KC024_00904c37-2e4c-474c-8fe3-ee4773aa46c9.jpg?v=1775022130","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph15nb04200gbbaa-contactor-1iwxlq","provider":"National HVAC Parts","version":"1.0","type":"link"}