Four Seasons 74930 HVAC Heater Control Valve - Heater

Overview of Four Seasons Heater Valve 74930

The Four Seasons Heater Valve 74930 is a rotary electronic heater valve designed for precise temperature control in HVAC systems. Engineered with durable plastic and featuring three connectors, this electric valve is compatible with select Cadillac and Chevrolet models, including the ELR and Volt.

• Rotary electronic heater valve design for accurate flow control
• Constructed from durable plastic material
• Equipped with 3 connectors and 6 terminal pins for reliable electrical connection
• Bypass style valve suitable for HVAC temperature regulation
• Opening dimensions: 0.79 inches (20.14 mm) and 0.88 inches (22.35 mm) for precise fitment

Detailed Product Description

The Four Seasons Heater Valve 74930 belongs to the Heater Valve product line, which focuses on providing reliable HVAC heater control valves for automotive applications. This particular valve operates electrically, allowing for efficient modulation of coolant flow within the heating system. Its bypass style design helps regulate temperature by controlling the flow path, ensuring optimal cabin comfort. The valve’s plastic construction balances durability with resistance to corrosion and heat exposure. With three connectors and six terminal pins, it ensures secure and stable electrical connections necessary for proper operation.

Compatible Vehicles and Applications

This HVAC heater control valve is specifically compatible with Cadillac ELR and Chevrolet Volt models. It is designed to replace faulty or worn heater valves that may cause issues such as inconsistent cabin heating or coolant leaks.

• Inconsistent or no heat output from the HVAC system
• Coolant leaks around the heater valve area
• Electrical failure causing heater valve malfunction
• Reduced HVAC system efficiency due to valve sticking or blockage
• Unresponsive temperature control in Cadillac ELR or Chevrolet Volt

Installation Notes and Tips

When installing the Four Seasons Heater Valve 74930, ensure the vehicle’s cooling system is depressurized and cooled down to avoid injury. Verify the valve’s orientation and connector alignment before securing it in place. Properly connect all three connectors and confirm the six terminal pins are seated correctly to maintain electrical integrity. It is recommended to inspect surrounding hoses and components for wear during replacement.

Quality Assurance and Warranty

Four Seasons manufactures the Heater Valve 74930 to meet OEM specifications for fit, form, and function. The plastic material and electronic operation are tested for durability and performance under typical automotive conditions. While specific warranty details are not provided here, Four Seasons products generally come with a limited warranty against defects in material and workmanship.