{"product_id":"carrier-ch16na04200gbaaa-contactor-1iwxlq","title":"OEM Carrier 40A Contactor 2-Pole 24V Coil for CH16NA04200GBAAA","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model CH16NA04200GBAAA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement contactor (part number \u003cstrong\u003eHN51KC024\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier CH16NA04200GBAAA\u003c\/strong\u003e split-system air conditioner. The contactor is a high-voltage relay that receives a 24V signal from your thermostat and closes to send 240V power to the compressor and condenser fan motor. When the contactor fails — due to burned or pitted contacts, a stuck plunger, or a failed coil — your outdoor unit will either refuse to start entirely, run continuously without shutting off, or fail intermittently on hot days when demand is highest.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | 30–40A rated | Factory-matched contact material for full rated load life | Direct OEM replacement for part number HN51KC024\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use silver-alloy contact tips rated to exact factory amperage thresholds. Generic contactors frequently use lower-grade contacts that pit and weld faster under high-cycle summer loads, leading to premature failure and potential compressor damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Shut off power at the disconnect box AND the breaker before beginning. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all high-voltage wiring connections before removing the old contactor. Verify coil voltage with a multimeter prior to installation.\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 3 PM EST ship the same business day from our climate-controlled warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as a direct OEM replacement for the \u003cstrong\u003eCarrier CH16NA04200GBAAA\u003c\/strong\u003e condenser. Always confirm coil voltage (24V) and pole count against your existing unit's wiring diagram or data plate before ordering. Not sure it fits? Our HVAC parts specialists verify fitment at no charge — contact us before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909609804147,"sku":"CARRIE-CH16NA04200GBAAA-CONTACTOR-HN51KC024","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909609836915,"sku":"CARRIE-CH16NA04200GBAAA-CONTACTOR-HN51KC024-GEN","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-2pole-HN51KC024_ec1877ab-7590-47bd-8fca-de2db4e8e506.jpg?v=1782898935","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ch16na04200gbaaa-contactor-1iwxlq","provider":"National HVAC Parts","version":"1.0","type":"link"}