Four Seasons 74894 HVAC Heater Control Valve

Overview of Four Seasons Heater Valve 74894

The Four Seasons Heater Valve 74894 is an electric HVAC heater control valve designed for precise temperature regulation in select BMW models. Engineered to replace original equipment, this multiple solenoid electronic heater valve ensures reliable operation within your vehicle's heating system.

• Three hose connectors for secure coolant flow
• Electric valve operation for accurate temperature control
• Thermoplastic and steel construction for durability
• Compatible with BMW 3 Series and M models including 318i, 318is, 318ti, 323i, 323is, 325i, 325is, 328i, 328is, M3, and M5
• Non-bypass style with three ports and three female terminals
• O.E. replacement part ensuring proper fit and function

Four Seasons Heater Valve Product Line Details

The Heater Valve product line from Four Seasons focuses on HVAC temperature control components that provide reliable and efficient heating system management. This line includes multiple solenoid electronic heater valves like part number 74894, designed to meet or exceed original equipment specifications. The Heater Valve series is engineered for electric valve operation, offering precise control over coolant flow to maintain optimal cabin temperature in compatible vehicles.

Detailed Product Description

Part number 74894 features three hose connectors with 0.75-inch fitting sizes on both ends, facilitating seamless integration into the vehicle's heating system. The valve is constructed from a combination of thermoplastic and steel materials, balancing durability with resistance to corrosion and heat. It operates electrically with three female terminals, allowing for controlled solenoid activation without a bypass function. This non-bypass heater valve is designed specifically for BMW models such as the 318i, 318is, 318ti, 323i, 323is, 325i, 325is, 328i, 328is, M3, and M5, ensuring compatibility and proper fitment.

Common Applications and Issues Addressed

• Regulates coolant flow to maintain consistent cabin heating
• Replaces faulty or leaking heater control valves
• Resolves heater system malfunctions related to electronic valve failure
• Prevents overheating or insufficient heating inside the vehicle
• Restores proper HVAC temperature control in BMW 3 Series and M models

Installation Notes and Tips

Installation of the Four Seasons Heater Valve 74894 requires basic HVAC system knowledge and appropriate tools. Note that mounting hardware is not included, so retain original fasteners or acquire suitable replacements. Ensure all hose connections are secure and free of leaks after installation. Disconnect the vehicle battery before beginning to avoid electrical hazards. Verify electrical terminal connections match the female terminal configuration of the valve for proper operation.

Quality Assurance and Warranty

This heater valve is an O.E. replacement part, manufactured to meet original equipment standards for fit, form, and function. Four Seasons products typically come with a limited warranty covering defects in material and workmanship. For specific warranty details related to part number 74894, consult the product documentation or manufacturer resources.