Need more information like the year, make and model of vehicle that you are working on....
To turn on a Rheem water heater, locate the gas control valve or the power switch on the unit. For a gas water heater, turn the gas control valve to the "on" position. For an electric water heater, flip the power switch to the "on" position. Wait for the water heater to heat up before using hot water.
It does not have a heater control valve.It does not have a heater control valve.
On the 95 Bird - if you lose power to the heater control or the connector is loose the system defaults to, Fan High / Defrost-Floor mix Try testing power at the multipin connectors on the back of the control unit - or replace the unit if power seens ok
Heater has just stoped working no power to control panel
To replace the water heater control valve, first turn off the power and water supply to the heater. Drain the tank and disconnect the old valve. Install the new valve following the manufacturer's instructions. Reconnect the power and water supply, then test the new valve to ensure it is working properly.
Where is the the heater control valve??
The heater control valve is used to shut off hot coolant from entering the core when the heater is in the off position. A heater control valve can be actuated by either a vacuum line or a cable from the vacuum heater control valve to the heater core. This hose should be warm; if not the heater control valve is stuck and needs to be replaced
where is the heater control valve
Defective heater blower motor resistor pack.
the thermostat used to control the heater and after we select the four pole switch to some number the thermostat start connect the power to the heater at the same time the heater start to heat and when we select the switch to zero position the heater not work
The heater matrix can be replaced by removing the heater core and temperature control cables. Replace the heater core and the control cables.
The heater control valve in a Mustang is located within the engine. It is right in the heater's core and where the coolant is located.