Shop 2010 Audi A5 Air Conditioning (A/C) Evaporator Drain. HVAC Heater Control Valve. Heater Control Antifreeze, Cabin - OEM Audi Part # 4B0260155 (4B0-260-155)

A valve used to control the flow of engine coolant to the heater core. A/C Evaporator Drain.

A/C Evaporator DrainHVAC Heater Control Valve

Fits A6, allroad, S6

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 may require a replacement heater control valve.