Dayco Heater Tap DHV2007 Ultra-Ceramic-Plus Flange to base: 21mm

Flange to base: 21mm

It provides outstanding protection against wear and corrosion

with an advanced additive system to provide the ultimate performance and protection under all operating conditions

Vent valve: 22mm

Flange diameter: 48mm

Dayco Heater Tap DHV2007 Ultra-Ceramic-Plus Flange to base: 21mmThe purpose of the Heater Control Valve is to regulate the flow of coolant to the heater core. In the off position, the heater valve blocks coolant flow to the heater core, hence when no heating is required, and the reverse when heating inside the vehicle is needed. The heater valve can be activated by vacuum control in late model vehicles and cable in earlier models. Common failures include leakage, blocking and, because most late model valves are