{"product_id":"payne-pa10ja018000agaa-contactor-1iwxlq","title":"OEM Payne Contactor 2-Pole 24V Coil for PA10JA018000AGAA","description":"\u003ch1\u003eOEM Payne 2-Pole Contactor 24V Coil for Model PA10JA018000AGAA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement contactor (part number \u003cstrong\u003eHN51KC024\u003c\/strong\u003e) for the \u003cstrong\u003ePayne PA10JA018000AGAA\u003c\/strong\u003e split-system air conditioner. The contactor is a high-voltage relay that receives a low-voltage (24V) signal from the thermostat and switches line voltage to the compressor and condenser fan motor. When the contactor fails — due to pitted or burned contacts, a stuck plunger, or a failed coil — the outdoor unit will not energize even though the thermostat is calling for cooling. You may hear a click or hum from the control board with no compressor response.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole design | 24V AC coil voltage | Factory-rated amperage matched to PA10JA018000AGAA | OEM part number HN51KC024 | ±0% coil voltage tolerance for reliable pull-in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors feature factory-specified contact materials and coil windings, ensuring consistent pull-in voltage and longer contact life. Generic contactors may use lower-grade contact alloys that pit faster under load, shortening service intervals significantly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always disconnect power at the breaker and wait for capacitors to discharge before beginning. Tools needed: flat-head and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before removing the old contactor to ensure correct reinstallation.\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 warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed specifically for the Payne \u003cstrong\u003ePA10JA018000AGAA\u003c\/strong\u003e split-system air conditioner. Verify your existing contactor's pole count, coil voltage, and amperage rating against your unit's data plate before ordering. Our fitment team is available to confirm compatibility prior to purchase. Order today — this part ships same business day.\u003c\/p\u003e","brand":"Payne","offers":[{"title":"OEM","offer_id":62909248504179,"sku":"PAYNE-PA10JA018000AGAA-CONTACTOR-HN51KC024","price":68.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909248536947,"sku":"PAYNE-PA10JA018000AGAA-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_7279bf06-4315-488d-92cf-4987afe5aea8.jpg?v=1780717747","url":"https:\/\/nationalhvacparts.com\/products\/payne-pa10ja018000agaa-contactor-1iwxlq","provider":"National HVAC Parts","version":"1.0","type":"link"}