{"product_id":"dorman-904-614-hvac-pressure-switch","title":"Dorman 904-614 HVAC Pressure Switch","description":"\u003ch2\u003eReliable HVAC Pressure Switch for Volvo Models\u003c\/h2\u003e\u003cp\u003eThe Dorman 904-614 HVAC Pressure Switch is engineered specifically for select Volvo vehicles, including the C30, S40, S60, S60 Cross Country, V40, V50, V60, XC60, and XC70. Designed to monitor refrigerant pressure accurately, this switch ensures your vehicle's air conditioning system operates within safe parameters.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVoltage: 5V operation for precise control\u003c\/li\u003e\n\u003cli\u003eCompatible refrigerant type: R134a\u003c\/li\u003e\n\u003cli\u003ePressure limits: Closes at 260 psi, opens at 475 psi\u003c\/li\u003e\n\u003cli\u003eMaximum pressure reading up to 522 psi\u003c\/li\u003e\n\u003cli\u003eDurable metal housing with bolt mount type\u003c\/li\u003e\n\u003cli\u003eBlack rectangular female connector with 3 male blade terminals\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Volvo HVAC systems\u003c\/li\u003e\n\u003cli\u003eThread diameter: 10 mm for secure installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 904-614 HVAC Pressure Switch is a critical component in the air conditioning system of various Volvo models. It monitors the refrigerant pressure of R134a and activates or deactivates the compressor clutch based on pressure thresholds. The switch closes at 260 psi and opens at 475 psi, protecting the system from pressure extremes. Its robust metal housing and bolt mount design provide durability and secure attachment within the HVAC assembly. The black rectangular connector with three male blade terminals ensures reliable electrical connections, while the 5-volt rating supports consistent sensor performance.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents compressor damage due to abnormal refrigerant pressure\u003c\/li\u003e\n\u003cli\u003eHelps maintain optimal air conditioning system performance\u003c\/li\u003e\n\u003cli\u003eResolves intermittent A\/C compressor engagement problems\u003c\/li\u003e\n\u003cli\u003eAddresses HVAC system pressure sensor faults in Volvo C30, S40, S60, and related models\u003c\/li\u003e\n\u003cli\u003eEliminates pressure-related A\/C system shutdowns or failures\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure vehicle compatibility with Volvo C30, S40, S60, S60 Cross Country, V40, V50, V60, XC60, or XC70 before installation\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools to remove the old pressure switch and install the new one with the 10 mm thread diameter\u003c\/li\u003e\n\u003cli\u003eVerify electrical connections match the black rectangular female connector with three male blade terminals\u003c\/li\u003e\n\u003cli\u003eCheck for refrigerant leaks and proper system pressure after installation\u003c\/li\u003e\n\u003cli\u003eFollow manufacturer torque specifications for bolt mounting\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 904-614 HVAC Pressure Switch undergoes rigorous quality control to ensure reliable operation in Volvo HVAC systems. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship to provide confidence in your replacement part.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44327411318965,"sku":"BKKY-904-614","price":87.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_904614_Fro_5374af60-6339-48ff-8cae-2d360f36846d.jpg?v=1775011829","url":"https:\/\/www.partcatalog.com\/products\/dorman-904-614-hvac-pressure-switch","provider":"PartCatalog","version":"1.0","type":"link"}