{"product_id":"carrier-ph12na024000abaa-contactor-1iwybu","title":"OEM Carrier Contactor 1-Pole 24V 25A for PH12NA024000ABAA","description":"\u003ch1\u003eOEM Carrier Single-Pole Contactor 24V Coil 25A FLA — HN51KB024 for Model PH12NA024000ABAA\u003c\/h1\u003e\u003cp\u003eThe \u003cstrong\u003eCarrier HN51KB024\u003c\/strong\u003e is the factory OEM single-pole contactor for the \u003cstrong\u003ePH12NA024000ABAA\u003c\/strong\u003e heat pump system. The contactor acts as a high-voltage relay, responding to the 24V signal from your thermostat to energize the compressor and condenser fan motor. When it fails — due to worn contacts, pitting, or a burned coil — the system will either refuse to start entirely, fail to cool or heat, or run continuously without cycling off. Catching a failing contactor early prevents expensive compressor damage.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 1 Pole (Single Pole) | 24V 50\/60Hz Coil | 25A FLA (Full Load Amps) | 30A Resistive | Factory OEM part number HN51KB024 — exact fit for PH12NA024000ABAA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM Carrier contactors use factory-spec contact materials and coil windings, ensuring precise pull-in voltage and long service life. Generic aftermarket contactors can suffer from early contact erosion and coil burnout, risking repeat failures within one season.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Shut off all power at both the breaker and the disconnect before starting. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring connections before removing any wires. The contactor mounts in the electrical compartment of the outdoor unit — accessible with the service panel removed.\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 — order by 3PM for same-day dispatch.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Direct OEM replacement for Carrier model \u003cstrong\u003ePH12NA024000ABAA\u003c\/strong\u003e. Always confirm your unit's data plate matches the 1-pole, 24V coil specification before ordering. Not sure it fits? Our HVAC parts specialists are available to verify fitment before you buy — no returns needed.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641968382323,"sku":"CARRIE-PH12NA024000ABAA-CONTACTOR-HN51KB024","price":77.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641968415091,"sku":"CARRIE-PH12NA024000ABAA-CONTACTOR-HN51KB024-GEN","price":68.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-HN51KB024_eb546690-c771-4a1f-80aa-c68d3121d8cc.jpg?v=1775021246","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph12na024000abaa-contactor-1iwybu","provider":"National HVAC Parts","version":"1.0","type":"link"}