Shop OEM Volvo Part # 31686344. HVAC Heater Control Valve. W/O RECHARGE, #3. XC40. XC40; Rear. Heater Control Valve - Repair or Replace A heater control valve diverts

HVAC Heater Control Valve. Water Valve.
A Valve used to Control the flow of engine coolant to the Heater core.

HVAC Heater Control Valve

Fits XC40

W/O RECHARGE, #3. XC40. XC40; Rear.
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.