The heater won t operate properly if the pilot flickers is too weak or goes out and the cause could also be blockages in the pilot tube.
Wall heater pilot light.
Lighting the pilot light on a gas heater is simple to do.
Another cause of a weak pilot is a faulty thermocouple.
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.
If this pilot light ever goes out.
Gas heater pilot light troubleshooting.
Turn the thermostat to its lowest setting.
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.