{"product_id":"payne-pa12na042000ahaa-contactor-1iwxlq","title":"OEM Payne Contactor 2-Pole 24V Coil for PA12NA042000AHAA","description":"\u003ch1\u003eOEM Payne 2-Pole Contactor 24V Coil for Model PA12NA042000AHAA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement contactor (part number \u003cstrong\u003eHN51KC024\u003c\/strong\u003e) for the \u003cstrong\u003ePayne PA12NA042000AHAA\u003c\/strong\u003e split-system air conditioner. The contactor is a high-voltage relay that acts as the primary on\/off switch for your condensing unit — when the thermostat calls for cooling, the 24V control circuit energizes the contactor coil, closing the high-voltage contacts to power the compressor and condenser fan motor. A failed contactor is one of the most common causes of an air conditioner that won't turn on, hums without starting, or runs continuously without shutting off.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | 30–40 amp contact rating | Direct OEM replacement for part number HN51KC024 | Factory-matched contact material and coil resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors like this HN51KC024 feature factory-spec contact plating and coil windings, ensuring reliable pull-in voltage and long contact life. Generic contactors often use inferior contact alloys that pit and arc faster under compressor load, 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 the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring before disconnecting terminals. The contactor mounts in the condensing unit control panel and typically replaces in under 20 minutes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Orders placed before our daily cutoff ship same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the Payne \u003cstrong\u003ePA12NA042000AHAA\u003c\/strong\u003e 3.5-ton split-system air conditioner. Always verify coil voltage and pole configuration on your unit's data plate before ordering. Our parts specialists are available to confirm fitment — order with confidence and get your system cooling again today.\u003c\/p\u003e","brand":"Payne","offers":[{"title":"OEM","offer_id":62909184082291,"sku":"PAYNE-PA12NA042000AHAA-CONTACTOR-HN51KC024","price":68.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909184115059,"sku":"PAYNE-PA12NA042000AHAA-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_b5051d57-3834-4c47-a566-64592f5d9f40.jpg?v=1780717803","url":"https:\/\/nationalhvacparts.com\/products\/payne-pa12na042000ahaa-contactor-1iwxlq","provider":"National HVAC Parts","version":"1.0","type":"link"}