{"product_id":"carrier-contactor-c50a502721","title":"OEM Carrier Contactor C50A502721 for Carrier Model C50A502721","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Contactor C50A502721 for Carrier Model C50A502721\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier Contactor (C50A502721) is the magnetic relay that controls high-voltage power to your air conditioner's compressor and condenser fan, engaging the circuit each time your thermostat signals for cooling. Produced to Carrier's exact factory standards, it offers reliable contact closure, minimal electrical resistance, and rugged construction that withstands the repeated inrush currents of daily HVAC operation. Designed as a direct-fit replacement for Carrier model C50A502721, it matches the unit's coil voltage, pole arrangement, and amp rating for a true drop-in installation with no modifications. The swap is an intermediate-level job for a trained technician: kill power at the disconnect, document the wire layout, transfer leads one at a time, and mount the new part securely. A failing contactor leads to chattering, humming, burnt contacts, or a no-start condition, so installing a fresh one restores consistent cooling and protects costly components. In stock and ready to ship same-day on every order placed before 3PM CST. Trust NationalHVACParts.com for authentic OEM Carrier parts and fast, reliable delivery.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model C50A502721.\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":62964193100147,"sku":"carrier-contactor-c50a502721","price":49.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-contactor-c50a502721","provider":"National HVAC Parts","version":"1.0","type":"link"}