{"product_id":"carrier-contactor-coa0300h1d","title":"OEM Carrier Contactor COA0300H1D Genuine HVAC Replacement Part","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Contactor COA0300H1D Genuine HVAC Replacement Part\u003c\/h1\u003e\n\u003cp\u003eBring dependable switching back to your Carrier outdoor unit with the genuine OEM contactor COA0300H1D. This definite-purpose contactor controls the line-voltage circuit that powers the compressor and condenser fan, closing each time your system calls for cooling. Built to factory-original Carrier tolerances, it delivers crisp contact action and resists the arcing, pitting, and coil burnout that cause premature aftermarket failures. The COA0300H1D is designed specifically for Carrier model COA0300H1D, so the coil voltage, contact rating, and terminal layout match your existing part exactly for an easy replacement. The job rates as a moderate DIY task: turn off power at the disconnect, photograph the wiring, transfer the leads one at a time to the new contactor's terminals, and fasten it securely. Most homeowners finish in 20 to 30 minutes, but a licensed HVAC technician is recommended when high voltage is involved. Order before 3PM CST for same-day shipping. Don't risk compressor damage from a faulty contactor — replace it with genuine Carrier OEM and restore reliable cooling.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model COA0300H1D.\u003c\/p\u003e\n\u003ch2\u003eShipping\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping before 3 PM CST. 30-day returns on uninstalled parts.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"Default Title","offer_id":62962214240627,"sku":"carrier-contactor-coa0300h1d","price":39.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-contactor-coa0300h1d","provider":"National HVAC Parts","version":"1.0","type":"link"}