A number of reasons can cause the wall furnace to not light including a damaged thermocouple a clogged pilot.
Old wall furnace pilot light.
If your old gas furnace has a standing pilot you can follow a standard procedure to relight the pilot light.
Turn the gas control to pilot and hold it in while you light the flame with a match or a lighter.
Old wall furnace pilot light.
Small weak flames indicate a lack of gas pressure while high flames are an indication of high pressure that could blow out the flame.
Direct vent wall furnace part 3280 or when such a standard is not applicable the standard for manufactured home installations ansi a 225 1 nfpa 501a mobile home standard can csa z240 mh do not light pilot lights perform service or make adjustments to appliances on the lp.
If your pilot light goes out all you need to.
In this episode of repair and replace vance shows how to relight the pilot light in a standing pilot furnace.
When the pilot on your wall furnace does not stay lit your furnace won t heat.
Many times faulty pressure is a symptom of problems with other hvac related systems.
Inconsistent gas pressure can cause your pilot light to go out.