{"product_id":"payne-pa3znb030000ac-contactor-1iwxlq","title":"OEM Payne Contactor 2-Pole 24V Coil for PA3ZNB030000AC — HN51KC024","description":"\u003ch1\u003eOEM Payne 2-Pole Contactor 24V Coil for Model PA3ZNB030000AC (HN51KC024)\u003c\/h1\u003e\u003cp\u003eThis is the OEM factory-replacement contactor for the \u003cstrong\u003ePayne PA3ZNB030000AC\u003c\/strong\u003e split-system air conditioner. The contactor is the high-voltage relay that receives a 24V signal from the thermostat and closes the circuit to send line voltage to the compressor and condenser fan motor. When a contactor fails — due to worn contacts, pitting, or a burnt coil — the result is an AC unit that simply won't turn on, or one that hums without the compressor engaging. Replacing this part with the correct OEM unit restores reliable switching and protects your compressor from erratic power delivery.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V coil voltage | Factory-rated amperage for 2.5-ton (030) system | OEM part number HN51KC024 | Drop-in replacement with identical terminal layout\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 load cycles of your Payne system. Generic contactors often use inferior contact materials that pit and fail faster, especially in high-cycle summer conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always shut off power at the disconnect box and the breaker before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter to verify voltage. 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 against defects. Orders placed before our same-day cutoff ship the same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the \u003cstrong\u003ePayne PA3ZNB030000AC\u003c\/strong\u003e 2.5-ton split-system air conditioner. Cross-references OEM part number HN51KC024. Always verify coil voltage and pole configuration on your unit's data plate before ordering. Our fitment team is available to confirm compatibility before you buy — no guesswork required.\u003c\/p\u003e","brand":"Payne","offers":[{"title":"OEM","offer_id":62908880355699,"sku":"PAYNE-PA3ZNB030000AC-CONTACTOR-HN51KC024","price":68.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62908880388467,"sku":"PAYNE-PA3ZNB030000AC-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_a0eb1670-8801-4c8c-8908-d4022e84e19d.jpg?v=1780718008","url":"https:\/\/nationalhvacparts.com\/products\/payne-pa3znb030000ac-contactor-1iwxlq","provider":"National HVAC Parts","version":"1.0","type":"link"}