{"product_id":"payne-pa16na03700gbaaa-contactor-1iwxlq","title":"OEM Payne Contactor 2-Pole 24V Coil for PA16NA03700GBAAA","description":"\u003ch1\u003eOEM Payne 2-Pole Contactor HN51KC024 for Model PA16NA03700GBAAA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement contactor (part number \u003cstrong\u003eHN51KC024\u003c\/strong\u003e) for the \u003cstrong\u003ePayne PA16NA03700GBAAA\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 240V power 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 system will either refuse to start at all, drop out mid-cycle, or run continuously without responding to thermostat commands.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V coil voltage | 30–40A contact rating | Direct OEM replacement for Payne part HN51KC024 | Factory-matched coil pull-in voltage and contact gap\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use silver-alloy contact tips rated for the exact current load of the PA16NA03700GBAAA. Generic contactors often use lower-grade contacts that pit faster, increasing resistance and shortening compressor life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off power at the disconnect box and confirm zero voltage with a multimeter before touching any wiring. Tools needed: flat-head and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring connections before removing the old contactor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty included. 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 Engineered specifically for the Payne PA16NA03700GBAAA split-system condenser. Always verify coil voltage and pole configuration on your unit's data plate before ordering. Not sure it fits? Our HVAC parts specialists confirm fitment before you buy — reach out before placing your order.\u003c\/p\u003e","brand":"Payne","offers":[{"title":"OEM","offer_id":62909035905395,"sku":"PAYNE-PA16NA03700GBAAA-CONTACTOR-HN51KC024","price":68.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909035938163,"sku":"PAYNE-PA16NA03700GBAAA-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_547f4a25-4c03-4b17-8a55-51dcd1e4e026.jpg?v=1780717925","url":"https:\/\/nationalhvacparts.com\/products\/payne-pa16na03700gbaaa-contactor-1iwxlq","provider":"National HVAC Parts","version":"1.0","type":"link"}