Pilot Light Not Staying Lit On Wall Heater

Gently pull the gas line out of the pilot assembly housing.

Pilot light not staying lit on wall heater.

My gas wall heater will not stay on on a setting of 4 and below pilot light stays lit answered by a verified hvac technician. We can go from there. This device is central to the operation and can tell if the pilot light is on or off by an electrical current that is powered by the pilot s heat. If the pilot light is not aimed correctly simply bend the thermocouple to line it up with the pilot tube.

Thankfully a dirty pilot tube is the easiest issue to fix. Remove the hex nut that connects the gas line to the pilot assembly. This is also a likely cause if the pilot won t ignite at all. If the thermocouple is too far from the flame this can cause the pilot to go out and shut down the propane heater.

If it is not you can bend the thermocouple back into alignment with the pilot tube but only after allowing everything to cool. As a result your pilot light assembly bottom will get exposed. Furnaces of various kinds are gas powered and use a pilot light to supply heat to the unit including standard home furnaces and floor furnaces. We use cookies to give you the best possible experience on our website.

Now gently pull out the gas line. You can fix this easily by moving the thermocouple closer to the flame. When the pilot on your wall furnace does not stay lit your furnace won t heat. Most water heaters operate with a thermocouple.

Dirt and debris can collect in the pilot tube causing the flow of gas to be blocked. As a result the pilot doesn t get enough fuel to stay lit. Do not rotate it to off first. You may also be operating the on off pilot knob incorrectly.

Be sure everything has cooled down before realigning the thermocouple and pilot light. If you suspect this is the case or you have noticed that your pilot light simply will not stay on for more than a few seconds turn the pilot light on and see if it is actually aimed at the thermocouple. Locate the pilot assemble holding screw and remove it. Then let the knob up and rotate it directly to on.

This pilot light may not always stay lit due to a variety of issues that may affect the gas supply or ignitor. A number of reasons can cause the wall furnace to not light including a damaged thermocouple a clogged pilot. When your pilot light will not stay lit for more than a few moments turn the pilot light on and be sure it is aimed at the thermocouple.