Pilot Light Not Staying Lit On Wall Heater

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.

Pilot light not staying lit on wall heater. We can go from there. When the pilot on your wall furnace does not stay lit your furnace won t heat. This is also a likely cause if the pilot won t ignite at all. If the pilot light is not aimed correctly simply bend the thermocouple to line it up with the pilot tube.

As a result the pilot doesn t get enough fuel to stay lit. This pilot light may not always stay lit due to a variety of issues that may affect the gas supply or ignitor. Most water heaters operate with a thermocouple. Whenever the thermocouple detects an unlit pilot it turns off the gas as a safety precaution.

If it is not you can bend the thermocouple back into alignment with the pilot tube but only after allowing everything to cool. Remove the hex nut that connects the gas line to the pilot assembly. 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. Locate the pilot assemble holding screw and remove it.

The initial flame of the pilot heats the thermocouple which will signal the valve to stay open and keep the pilot lit and the propane heater functioning. Gently pull the gas line out of the pilot assembly housing. Dirt and debris can collect in the pilot tube causing the flow of gas to be blocked. If the thermocouple is too far from the flame this can cause the pilot to go out and shut down the propane heater.

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. Thankfully a dirty pilot tube is the easiest issue to fix. 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. 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.

Now gently pull out the gas line. We use cookies to give you the best possible experience on our website. Then let the knob up and rotate it directly to on. You may also be operating the on off pilot knob incorrectly.

Be sure everything has cooled down before realigning the thermocouple and pilot light. Do this light the pilot while the knob is in the pilot position hold it down for 1 minute. You can fix this easily by moving the thermocouple closer to the flame.