{"product_id":"payne-pa4ang018000baaa-contactor-1iwxlq","title":"OEM Payne Contactor 2-Pole 24V Coil for PA4ANG018000BAAA","description":"\u003ch1\u003eOEM Payne 2-Pole Contactor 24V Coil for Model PA4ANG018000BAAA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement contactor (part number \u003cstrong\u003eHN51KC024\u003c\/strong\u003e) for the \u003cstrong\u003ePayne PA4ANG018000BAAA\u003c\/strong\u003e split-system air conditioner. The contactor is a high-voltage relay controlled by the thermostat's 24V signal — when the stat calls for cooling, the contactor closes and sends line voltage to the compressor and condenser fan motor. When the contactor fails, you'll typically find the AC completely unresponsive, hear a buzzing or chattering sound from the condenser cabinet, or notice pitted\/burned contacts causing intermittent operation or welded contacts that keep the unit running continuously.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | High-amperage rated contacts | Direct OEM factory replacement for part number HN51KC024\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This factory OEM contactor is manufactured to exact Payne specifications with precision contact gap tolerances and coil pull-in voltage ratings. Generic contactors often use lower-grade contact materials that pit and corrode faster, shortening service life — especially in humid or coastal climates where contact oxidation accelerates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always shut off power at the disconnect and breaker panel before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, a multimeter to verify voltage, and wire labels or tape to mark connections. Photograph all wiring before removing any terminals. Swap wires one at a time to prevent miswiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects in materials and workmanship. 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 as a direct OEM replacement for the \u003cstrong\u003ePayne PA4ANG018000BAAA\u003c\/strong\u003e split-system condenser. Always verify your existing contactor's pole count, coil voltage, and amperage rating against your unit's data plate before ordering. Our parts specialists are available to confirm fitment — don't guess on a contactor replacement. \u003cstrong\u003eOrder now and get same-day shipping on in-stock OEM Payne parts.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Payne","offers":[{"title":"OEM","offer_id":62908867379571,"sku":"PAYNE-PA4ANG018000BAAA-CONTACTOR-HN51KC024","price":68.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62908867412339,"sku":"PAYNE-PA4ANG018000BAAA-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_2d754781-a15a-4e8f-adf2-825917fd471b.jpg?v=1780718013","url":"https:\/\/nationalhvacparts.com\/products\/payne-pa4ang018000baaa-contactor-1iwxlq","provider":"National HVAC Parts","version":"1.0","type":"link"}