{"product_id":"carrier-ph15nb03700gbbaa-contactor-1iwxlq","title":"OEM Carrier Contactor 1-Pole 30A 24V for PH15NB03700GBBAA","description":"\u003ch1\u003eOEM Carrier 1-Pole 30 Amp 24V Contactor (HN51KC024) for Model PH15NB03700GBBAA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement contactor for the \u003cstrong\u003eCarrier PH15NB03700GBBAA\u003c\/strong\u003e heat pump \/ condensing unit. The contactor is the high-voltage relay that closes the compressor and condenser fan motor circuit every time the thermostat calls for cooling or heating. When it fails, you'll typically see one of these symptoms: the outdoor unit won't energize at all, contacts are pitted or burned through, or — in severe cases — the contacts weld shut causing the compressor to run continuously even with no thermostat call.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 1-Pole | 24 VAC coil voltage | 30A FLA (Full Load Amps) | 150A LRA (Locked Rotor Amps) | 50\/60 Hz | OEM Part# HN51KC024\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier Factory Authorized Part engineered to meet exact factory specifications for your PH15NB03700GBBAA. Generic contactors often use lighter-gauge contact material that pits faster under compressor cycling loads, leading to premature failure and potential compressor damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off power at both the disconnect box and breaker panel before beginning. Tools needed: flat-head and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring connections before removing the old contactor. Verify 24V coil pull-in after installation with a thermostat call.\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 Factory-specified contactor for Carrier model \u003cstrong\u003ePH15NB03700GBBAA\u003c\/strong\u003e. This part is also a widely used single-pole contactor compatible with many Carrier, Bryant, and Payne systems that call out HN51KC024 in their official parts list — always confirm against your unit's wiring diagram and data plate before ordering. Our fitment team is standing by to verify compatibility before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641668227443,"sku":"CARRIE-PH15NB03700GBBAA-CONTACTOR-HN51KC024","price":66.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641668260211,"sku":"CARRIE-PH15NB03700GBBAA-CONTACTOR-HN51KC024-GEN","price":58.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-HN51KC024_d6824806-d601-4442-8204-7707c4e1b4f3.jpg?v=1775021555","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph15nb03700gbbaa-contactor-1iwxlq","provider":"National HVAC Parts","version":"1.0","type":"link"}