{"product_id":"carrier-py3pna024040na-contactor-1iwybu","title":"OEM Carrier Contactor 24V 2-Pole for PY3PNA024040NA — HN51KB024","description":"\u003ch1\u003eOEM Carrier Contactor 24V 2-Pole for Model PY3PNA024040NA (HN51KB024)\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement contactor for the \u003cstrong\u003eCarrier PY3PNA024040NA\u003c\/strong\u003e packaged unit. The contactor is the high-voltage relay that closes the circuit between line voltage and your compressor and condenser fan motor when the thermostat calls for cooling. A failed contactor is one of the most common causes of a system that powers on at the thermostat but produces no cooling — often accompanied by a buzzing or chattering sound at the outdoor unit, or complete silence with no compressor response.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-Pole | 24V coil voltage | Factory-rated amperage for Carrier PY3PNA024040NA | OEM part number HN51KB024 | Direct drop-in replacement, no modification required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine OEM Carrier contactor manufactured to exact factory specifications. OEM contactors feature precision contact tips rated for the correct inrush and running current of your specific unit — generic substitutes often use lower-grade contact materials that pit and burn faster, leading to premature failure and potential compressor damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always disconnect power at the breaker AND verify zero voltage with a multimeter before touching any terminals. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, non-contact voltage tester. Photograph all wiring connections before removal.\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 when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed specifically for the \u003cstrong\u003eCarrier PY3PNA024040NA\u003c\/strong\u003e packaged unit. Always verify coil voltage and pole configuration on your unit's data plate before ordering. Our parts specialists are available to confirm fitment — contact us before you order if you have any questions.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640401744243,"sku":"CARRIE-PY3PNA024040NA-CONTACTOR-HN51KB024","price":68.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640401777011,"sku":"CARRIE-PY3PNA024040NA-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_6915b1c6-49d1-420c-a899-16b175727879.jpg?v=1775022037","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py3pna024040na-contactor-1iwybu","provider":"National HVAC Parts","version":"1.0","type":"link"}