Vacuum Hose Heater Control Valve

Mechanical cruise control servo.

Vacuum hose heater control valve.

Aupoko heater inlet hose control valve 92400 zt10a replaces 92400zt10a 92400 zh000 92400 zt00a compatible with nissan titan 2006 2015 1 0 out of 5 stars 2 49 99. Diagnose a heater control valve no heat due to bad heater control valve. The valve uses 5 8 heater hoses and 1 8 vacuum tube. I m guessing that it electrically opens a valve that allows vacuum from the engine to be applied to the heater control valve.

On older vehicles the valve is operated by a cable while newer vehicles used a vacuum actuator controlled valve. This is the most common valve on aftermarket heat and a c evaporator units that use vacuum operated controls. It has an electric plug and 2 small hose barbs on it. The heater control valve allows the flow of coolant through the heater core to be controlled and switched on and off without affecting the operation of the rest of the cooling system.

The heater control valve opens and closes to allow warm coolant to flow through the heater core. The heater control valve is found in front of the firewall of the vehicle. Air passing through the heater core creates hot air in your vents. In some cars the heat is regulated by a heater control valve that controls the flow of hot engine coolant from the engine to the car s heater core.

For ara acme frigette and many other applications with cable driven units 4510018 condenser asm 4513032 18 x 18 x 2 1 2 plus brackets parallel flow condensor 4107933 14x25x3 4. The valve is opened with vacuum it is normally closed. Vacuum operated heater control valve to open and close the flow of water in the heater system. It may be located on the inlet or the outlet port of the heater core and activated by a cable electronic control or a vacuum signal.