{"product_id":"pressure-switch-valve-12-00309-04-for-carrier-supra-1950mt-1850mt-1850-1800","title":"Pressure Switch Valve 12-00309-04 for Carrier Supra 1950MT 1850MT 1850 1800","description":"\u003ch2\u003ePressure Switch Valve for Carrier Supra\u003c\/h2\u003e\u003cp\u003eThis pressure switch valve (OEM cross-reference 12-00309-04) controls refrigerant pressure in Carrier Supra transport refrigeration units to ensure efficient cooling operation.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe pressure switch valve 12-00309-04 is a safety and control device that regulates refrigerant pressure within Carrier Supra refrigeration systems. It protects the compressor from excessive pressure and cycles the system on and off as needed. This pressure switch valve is a direct replacement for worn units in Supra 1950MT, 1850MT, 1850, and 1800 models.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCalibrated switch points for accurate pressure cut-in and cut-out\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant materials for long life in outdoor environments\u003c\/li\u003e\n\u003cli\u003eSealed electrical contacts prevent moisture ingress\u003c\/li\u003e\n\u003cli\u003eEasy installation with standard threaded port and spade terminals\u003c\/li\u003e\n\u003cli\u003eFactory-tested to meet OEM pressure specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Carrier Supra 1950MT\u003c\/li\u003e\n\u003cli\u003efor Carrier Supra 1850MT\u003c\/li\u003e\n\u003cli\u003efor Carrier Supra 1850\u003c\/li\u003e\n\u003cli\u003efor Carrier Supra 1800\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTransport refrigeration units on trucks and trailers\u003c\/li\u003e\n\u003cli\u003eMaintaining proper evaporator and condenser pressures\u003c\/li\u003e\n\u003cli\u003ePreventing compressor damage from high or low pressure\u003c\/li\u003e\n\u003cli\u003eSeasonal servicing of reefer units\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12-00309-04\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can this pressure switch valve be used on any Carrier refrigeration unit? \u003cstrong\u003eA:\u003c\/strong\u003e This valve is specifically designed for Carrier Supra models 1950MT, 1850MT, 1850, and 1800; other models may require a different part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What happens if the pressure switch valve fails? \u003cstrong\u003eA:\u003c\/strong\u003e A faulty switch can cause the compressor to run continuously or fail to start, leading to temperature control issues or potential compressor damage.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":44962781659222,"sku":"ZZ2Z00433","price":37.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_dd7ae482-2199-4f82-a344-19434da333a0.jpg?v=1781614040","url":"https:\/\/www.solidspare.com\/products\/pressure-switch-valve-12-00309-04-for-carrier-supra-1950mt-1850mt-1850-1800","provider":"Solid Spare","version":"1.0","type":"link"}