Pilot Light Not Staying Lit On Wall Heater

Dirt and debris can collect in the pilot tube causing the flow of gas to be blocked.

Pilot light not staying lit on wall heater.

Locate the pilot assemble holding screw and remove it. If the pilot light is not aimed correctly simply bend the thermocouple to line it up with the pilot tube. If it is not you can bend the thermocouple back into alignment with the pilot tube but only after allowing everything to cool. We use cookies to give you the best possible experience on our website.

Most water heaters operate with a thermocouple. We can go from there. 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. You can fix this easily by moving the thermocouple closer to the flame.

If the thermocouple is too far from the flame this can cause the pilot to go out and shut down the propane heater. As a result the pilot doesn t get enough fuel to stay lit. Gently pull the gas line out of the pilot assembly housing. Do not rotate it to off first.

Do this light the pilot while the knob is in the pilot position hold it down for 1 minute. 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. A number of reasons can cause the wall furnace to not light including a damaged thermocouple a clogged pilot. Remove the hex nut that connects the gas line to the pilot assembly.

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. 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. When the pilot on your wall furnace does not stay lit your furnace won t heat.

Then let the knob up and rotate it directly to on. Now gently pull out the gas line. Thankfully a dirty pilot tube is the easiest issue to fix. You may also be operating the on off pilot knob incorrectly.

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. Whenever the thermocouple detects an unlit pilot it turns off the gas as a safety precaution. This is also a likely cause if the pilot won t ignite at all.