{"product_id":"carrier-ph13nr03600gafaa-contactor-1iwxlq","title":"OEM Carrier Contactor 2-Pole 24V Coil for PH13NR03600GAFAA","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model PH13NR03600GAFAA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement contactor (part number \u003cstrong\u003eHN51KC024\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier PH13NR03600GAFAA\u003c\/strong\u003e heat pump\/split-system condenser. The contactor is the high-voltage relay that bridges 240V line power to the compressor and condenser fan motor whenever the thermostat calls for cooling or heating. When it fails — due to pitted contacts, a burned coil, or a stuck plunger — the outdoor unit simply won't start, even though the thermostat and control board are functioning normally. You may hear the indoor air handler running while the outdoor unit stays silent: a classic contactor failure symptom.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage (thermostat-signal operated) | Rated for high-amperage compressor and fan motor loads | Direct OEM replacement for Carrier part number HN51KC024\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM contactor is wound, rated, and tested to Carrier factory specifications. Generic aftermarket contactors often use lower-grade contact alloys that pit and weld faster under the high inrush current of a scroll compressor, leading to repeat failures within a single season.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect and lock out power at the disconnect box before opening the unit. Tools needed: flathead and Phillips screwdrivers, 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, multimeter. Always photograph existing wiring before disconnecting terminals. Coil wires are low-voltage (24V); line-side terminals carry 240V — treat them with full caution even after disconnect.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Backed by Carrier's 1-year OEM parts warranty. Ships same business day from our warehouse when ordered before 3 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the \u003cstrong\u003eCarrier PH13NR03600GAFAA\u003c\/strong\u003e 3-ton residential heat pump condenser. Always verify OEM part number HN51KC024 against your unit's data plate or wiring diagram before ordering. Our fitment team is available to confirm compatibility — contact us before you buy if you have any doubts. \u003cstrong\u003eOrder today and your part ships today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641867948403,"sku":"CARRIE-PH13NR03600GAFAA-CONTACTOR-HN51KC024","price":68.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641867981171,"sku":"CARRIE-PH13NR03600GAFAA-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_a46f6186-427a-4ac2-9cdf-b288dfab5531.jpg?v=1775021735","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph13nr03600gafaa-contactor-1iwxlq","provider":"National HVAC Parts","version":"1.0","type":"link"}