{"product_id":"carrier-pressure-switch-fiop300f521ga","title":"OEM Carrier Pressure Switch FIOP300F521GA for Model FIOP300F521GA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Pressure Switch FIOP300F521GA for Model FIOP300F521GA\u003c\/h1\u003e\n\u003cp\u003eThis OEM Carrier pressure switch keeps your FIOP300F521GA packaged unit safe by monitoring system pressure and cutting power before unsafe high or low conditions can harm the compressor or heat exchanger. Calibrated to Carrier's exact factory trip and reset points, it eliminates nuisance lockouts and ensures the equipment cycles correctly through every heating and cooling season. As a genuine direct-fit replacement for the FIOP300F521GA, it mounts in the original position and connects to the existing wiring harness and pressure tubing with no adapters or splicing required. Installation is moderate and typically completed by an HVAC technician in under 30 minutes using basic hand tools. Replacing a worn or malfunctioning pressure switch restores proper safety cutout protection and prevents costly downtime and component damage. Every switch is true OEM for guaranteed accuracy, durability, and warranty compliance versus generic aftermarket alternatives. Return your Carrier system to safe, reliable operation fast. Order before 3PM CST and your switch ships same-day from our warehouse. In stock and ready to ship today.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FIOP300F521GA.\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":62942928666995,"sku":"carrier-pressure-switch-fiop300f521ga","price":34.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-fiop300f521ga.jpg?v=1781470394","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pressure-switch-fiop300f521ga","provider":"National HVAC Parts","version":"1.0","type":"link"}