{"product_id":"payne-pa1zna048000aaaa-contactor-1iwybu","title":"OEM Payne Contactor 2-Pole 24V Coil for PA1ZNA048000AAAA","description":"\u003ch1\u003eOEM Payne 2-Pole Contactor HN51KB024 for Model PA1ZNA048000AAAA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement contactor for the \u003cstrong\u003ePayne PA1ZNA048000AAAA\u003c\/strong\u003e 4-ton split-system air conditioner. The contactor is a high-voltage relay that receives a 24V signal from the thermostat and closes the circuit to energize the compressor and condenser fan motor. When it fails, your system may hum without starting, run continuously without shutting off, or fail to respond to the thermostat entirely — leaving you with no cooling on the hottest days.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V coil voltage | Factory OEM part number HN51KB024 | Rated for R-410A residential split-system applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is the exact factory-specified contactor. OEM contactors feature properly rated contact surfaces and coil windings that meet Payne's design tolerances — generic contactors may use thinner contact points that pit and fail prematurely under compressor load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always shut off power at the disconnect box and verify voltage is absent with a multimeter before touching any terminals. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before disconnecting the old contactor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock and ships same business day from our warehouse so your repair doesn't wait.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the Payne \u003cstrong\u003ePA1ZNA048000AAAA\u003c\/strong\u003e 4-ton split-system condenser. Verify coil voltage (24V) and pole configuration on your unit's data plate before ordering. Not sure it fits? Our HVAC parts specialists confirm fitment before you buy — contact us today and get your system back up and running fast.\u003c\/p\u003e","brand":"Payne","offers":[{"title":"OEM","offer_id":62908936126835,"sku":"PAYNE-PA1ZNA048000AAAA-CONTACTOR-HN51KB024","price":68.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62908936159603,"sku":"PAYNE-PA1ZNA048000AAAA-CONTACTOR-HN51KB024-GEN","price":60.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-HN51KB024_ef2db6af-e7ea-418f-98c8-73d8b3f1f941.jpg?v=1780717971","url":"https:\/\/nationalhvacparts.com\/products\/payne-pa1zna048000aaaa-contactor-1iwybu","provider":"National HVAC Parts","version":"1.0","type":"link"}