Gas heaters whether they warm up air or water in a home rely on a pilot light to trigger the flame of the actual heater.
Gas wall heater pilot light won t stay lit.
On occasion the tube can become kinked interrupting the flow of gas.
The flex tube provides fuel via the gas controller.
This is one of the most common reasons the burner won t stay lit even when the pilot seems to be in working order.
In this hvac training video i show up close how the thermocouple pilot light and gas valve work on a water heater furnace fireplace as well as other ap.
Gas heater pilot light troubleshooting.
I replaced the thermocoupler and the gas valve with a new valve itt general controls b67ra56 and nothing different it still won t stay lit.
If it determines that the pilot light is off it shuts down the flow of gas.
If this pilot light ever goes out.
While this is an excellent safety feature a faulty thermocouple may decide arbitrarily that your pilot light is off when you want it on shutting down your pilot light and your furnace.
I have a gas wall heater and the pilot won t stay lit.