{"product_id":"carrier-ph13nb048000aaaa-contactor-1iwxlq","title":"OEM Carrier Contactor 24V Coil 2-Pole for PH13NB048000AAAA","description":"\u003ch1\u003eOEM Carrier Contactor 24V Coil 2-Pole for Model PH13NB048000AAAA\u003c\/h1\u003e\u003cp\u003eThis OEM replacement contactor (part number \u003cstrong\u003eHN51KC024\u003c\/strong\u003e) is the factory-specified high-voltage relay for the \u003cstrong\u003eCarrier PH13NB048000AAAA\u003c\/strong\u003e heat pump system. The contactor acts as the primary switching device that connects line voltage to the compressor and condenser fan motor whenever the thermostat sends a 24V signal. When the contactor fails — due to pitted or welded contacts, a burned coil, or a stuck plunger — the outdoor unit will either refuse to start entirely, run continuously without cycling off, or fail to respond to thermostat commands, leaving your home without heating or cooling.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 24V control coil | 2-pole design | Factory-rated amperage and contact configuration matched to PH13NB048000AAAA | OEM part number HN51KC024\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is the genuine OEM Carrier contactor, manufactured to exact factory specifications. Generic contactors frequently use lower-grade contact materials that pit faster under load, causing premature failure and potential compressor damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — WARNING: Always disconnect power at the disconnect box AND breaker panel before servicing. Line voltage (240V) is present at contactor terminals. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring before disconnecting. Verify coil voltage with multimeter before replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Orders placed before cutoff ship same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as a direct OEM drop-in replacement for Carrier model \u003cstrong\u003ePH13NB048000AAAA\u003c\/strong\u003e. Always verify the part number on your existing contactor's label and confirm coil voltage and pole count match before ordering. Our fitment specialists are available to confirm compatibility — contact us before you order if unsure.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641912250739,"sku":"CARRIE-PH13NB048000AAAA-CONTACTOR-HN51KC024","price":68.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641912283507,"sku":"CARRIE-PH13NB048000AAAA-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_917af9cc-dd1e-415c-b4c0-e91b52bb2ff5.jpg?v=1775022109","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph13nb048000aaaa-contactor-1iwxlq","provider":"National HVAC Parts","version":"1.0","type":"link"}