{"product_id":"carrier-coa1000h1h-contactor-1k1rxh","title":"OEM Carrier 40A Contactor 2-Pole 24V Coil for COA1000H1H — HN53CD209","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model COA1000H1H — HN53CD209\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement contactor (part number \u003cstrong\u003eHN53CD209\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier COA1000H1H\u003c\/strong\u003e condensing unit. The contactor is the high-voltage relay that receives a 24V signal from the thermostat and closes the circuit to supply line voltage to the compressor and condenser fan motor. When the contactor fails — due to pitted contacts, a burned coil, or contacts that weld shut — your system will either refuse to start, run continuously without shutting off, or trip the breaker repeatedly. Replacing it is one of the most cost-effective repairs in residential HVAC service.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC control coil | 30–40A contact rating | Direct OEM replacement for Carrier part HN53CD209 | Matches factory contact gap and coil pull-in voltage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use silver-alloy contact tips rated for thousands of switching cycles. Generic aftermarket units often use inferior contact materials that pit and arc more quickly, leading to repeat failures within a single season.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Turn off power at both the disconnect box and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, and a multimeter to verify coil continuity. Photograph all wiring connections before removing the old unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Backed by a 1-year OEM factory warranty. In-stock and ships the same business day from our climate-controlled warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the \u003cstrong\u003eCarrier COA1000H1H\u003c\/strong\u003e condensing unit. Always verify your existing contactor's pole count, amperage rating, and coil voltage against your unit's data plate before ordering. Our parts specialists are available to confirm fitment — order with confidence and get your system back online fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909604987251,"sku":"CARRIE-COA1000H1H-CONTACTOR-HN53CD209","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909605020019,"sku":"CARRIE-COA1000H1H-CONTACTOR-HN53CD209-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-HN53CD209_17f41544-a9c5-4860-a467-b76dabbdfaa5.jpg?v=1782898941","url":"https:\/\/nationalhvacparts.com\/products\/carrier-coa1000h1h-contactor-1k1rxh","provider":"National HVAC Parts","version":"1.0","type":"link"}