Buy OEM Volkswagen Part # 703815942A (703-815-942-A). Cabin Air Filter Case Drain Valve. HVAC Heater Control Valve. Heater Control Valve - Repair or Replace A heater control valve diverts

A Drain allows water to exit the Cabin Air Filter housing. A Valve used to Control the flow of engine coolant to the Heater core. Included with: Filter housing.

Cabin Air Filter Case Drain ValveHVAC Heater Control Valve

Fits EuroVan

Heater Control Valve - Repair or Replace
A heater control valve diverts hot water (coolant, or antifreeze) from the radiator into the heater core in your vehicle’s cabin, resulting in soothing warm air. If your heat has stopped working, your Volkswagen may require a replacement heater control valve.