Four Seasons 74895 HVAC Heater Control Valve

Overview of Four Seasons Heater Valve 74895

The Four Seasons Heater Valve 74895 is an electric HVAC heater control valve designed for precise temperature regulation in BMW vehicles. This single solenoid electronic heater valve ensures reliable operation for models including the 323i, 328i, 330i, 335i, 525i, 530i, X3, and Z8.

• Single solenoid electronic heater valve for accurate temperature control
• Two hose connectors with 0.75-inch fitting sizes for secure connections
• Electric valve operation type with two female terminals
• Constructed from durable thermoplastic and steel materials
• Non-bypass style with two ports, designed as an OE replacement
• Compatible with multiple BMW models including 323Ci, 328i xDrive, 335i xDrive, and more

Detailed Product Description

The Four Seasons Heater Valve 74895 belongs to the Heater Valve product line, which focuses on HVAC temperature control components engineered for efficient heating system management. This valve operates electrically via a single solenoid, allowing precise modulation of coolant flow to the heater core. Featuring two hose connectors with 0.75-inch fittings, it integrates seamlessly into the vehicle’s existing HVAC system. The valve’s thermoplastic and steel construction provides durability and resistance to heat and corrosion. Designed as a direct OE replacement, it fits a wide range of BMW models such as the 323ti, 325xi, 328xi, 330xi, 335d, and Z8, ensuring compatibility and reliable performance.

Common Applications and Issues Addressed

• Restores proper heater core coolant flow for consistent cabin heating
• Resolves heater valve failure symptoms like lack of heat or inconsistent temperature
• Eliminates electrical valve operation faults causing HVAC system malfunctions
• Prevents coolant leaks from worn or damaged heater valves
• Replaces non-bypass valves to maintain correct HVAC system pressure and flow

Installation Notes and Tips

• Ensure vehicle compatibility by verifying model and year before installation
• Note that mounting hardware is not included and may need to be sourced separately
• Disconnect the battery before installation to avoid electrical shorts
• Carefully remove old heater valve and inspect hoses for wear or damage
• Confirm secure connection of the two 0.75-inch hose fittings and electrical terminals

Quality Assurance and Warranty

The Four Seasons Heater Valve 74895 is manufactured to meet or exceed original equipment specifications, providing reliable operation within BMW HVAC systems. Constructed from thermoplastic and steel, it offers durability under typical operating conditions. This part is an OE replacement, ensuring fit and function consistent with factory standards. Warranty details should be confirmed with the point of purchase or manufacturer documentation.