{"product_id":"carrier-py1pna042080acba-contactor-1iwybu","title":"OEM Carrier Contactor 24V Coil 2-Pole for PY1PNA042080ACBA","description":"\u003ch1\u003eOEM Carrier Contactor 24V Coil 2-Pole for Model PY1PNA042080ACBA\u003c\/h1\u003e\u003cp\u003eThis OEM contactor (part number \u003cstrong\u003eHN51KB024\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier PY1PNA042080ACBA\u003c\/strong\u003e packaged unit. The contactor is a high-voltage relay that acts as the primary switch between your thermostat's 24V control signal and the high-voltage power delivered to the compressor and condenser fan motor. When the contactor fails — due to burned or pitted contacts, a stuck plunger, or a failed coil — the unit will not respond to a call for cooling, leaving the system completely dead or causing it to run continuously without cycling off.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole design | 24V control coil | Factory-rated amperage for Carrier PY1PNA042080ACBA | OEM part number HN51KB024 | Direct drop-in replacement with no modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors feature factory-grade contact material and precise coil calibration. Generic alternatives often use lower-grade silver alloy contacts that pit and oxidize faster, leading to premature failure and potential compressor damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Always shut off power at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, and electrical tape. Photograph all wiring connections before disconnecting the old contactor to ensure correct reinstallation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Orders ship same business day from our warehouse when placed before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the Carrier \u003cstrong\u003ePY1PNA042080ACBA\u003c\/strong\u003e packaged unit. Always verify your existing contactor's pole configuration, coil voltage, and amperage rating against your unit's data plate before ordering. Our technical team is available to confirm fitment — contact us before you order if you have any questions.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640964141427,"sku":"CARRIE-PY1PNA042080ACBA-CONTACTOR-HN51KB024","price":68.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640964174195,"sku":"CARRIE-PY1PNA042080ACBA-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_84f47d26-4014-4837-87da-e7f0022f2008.jpg?v=1775022151","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py1pna042080acba-contactor-1iwybu","provider":"National HVAC Parts","version":"1.0","type":"link"}