{"product_id":"payne-pa4gnaa24000aa-contactor-1iwxlq","title":"OEM Payne Contactor 2-Pole 24V Coil for PA4GNAA24000AA","description":"\u003ch1\u003eOEM Payne 2-Pole Contactor 24V Coil for Model PA4GNAA24000AA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement contactor (part# HN51KC024) for the \u003cstrong\u003ePayne PA4GNAA24000AA\u003c\/strong\u003e split-system air conditioner. The contactor is a high-voltage relay that receives a 24V signal from the thermostat and closes to deliver line voltage to the compressor and condenser fan motor. When it fails, the most common symptoms include an AC unit that won't turn on, a compressor that hums but doesn't start, or a system that trips the breaker shortly after startup. Pitted or burned contacts are the leading cause of contactor failure and are often visible upon inspection.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V coil voltage | 30–40A rated | Direct OEM replacement for part number HN51KC024 | Factory-matched electrical tolerances\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use silver-alloy contact tips rated for thousands of switching cycles. Generic aftermarket contactors often use inferior contact materials that arc and pit prematurely, leading to repeat failures and potential compressor damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always shut off power at the disconnect box and breaker panel before servicing. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring connections before removal. Discharge any capacitors in the unit before working near electrical components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty included. Orders placed before cutoff ship the same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e This contactor is the direct OEM replacement for the Payne \u003cstrong\u003ePA4GNAA24000AA\u003c\/strong\u003e condenser unit. Always verify coil voltage and pole configuration against your unit's wiring diagram or data plate before ordering. Our fitment team is available to confirm compatibility before you buy — same-day shipping means you're back up and running fast.\u003c\/p\u003e","brand":"Payne","offers":[{"title":"OEM","offer_id":62908861448563,"sku":"PAYNE-PA4GNAA24000AA-CONTACTOR-HN51KC024","price":68.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62908861481331,"sku":"PAYNE-PA4GNAA24000AA-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_78414759-0510-4bb5-be09-9a395df447fe.jpg?v=1780718024","url":"https:\/\/nationalhvacparts.com\/products\/payne-pa4gnaa24000aa-contactor-1iwxlq","provider":"National HVAC Parts","version":"1.0","type":"link"}