Gas Wall Heater Pilot Light Won T Stay Lit

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.

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. This is one of the most common reasons the burner won t stay lit even when the pilot seems to be in working order. On occasion the tube can become kinked interrupting the flow of gas. Gas heater pilot light troubleshooting.

The flex tube provides fuel via the gas controller. While not as common as thermocouple issues it s an easy fix and should thus be rules out early on. Thermocouples detect pilot lights by sensing the heat they produce. 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. 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.