The flex tube is how the gas reaches the device and if the continuous flow of gas is interrupted the pilot light won t stay lit.
Camper gas water heater will not stay lit.
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Check the flex tube.
This usually happens when the tube is kinked at one or many points.
As a result the pilot doesn t get enough fuel to stay lit.
The pilot light on my water heater is lit but the burner does not light.
The gas for the pilot assembly is supplied by the main gas valve and is monitored by the thermocouple.
Most gas fired water heaters use a standing pilot to ignite the main burner.
Should be in the flame.
Check along the tube to straighten it so there s no obstruction to the flow of gas.
To detect whether it is the air causing the problem light the stove burners and consequently switch on the rv water heater.
If air manages to enter the lp or the liquid propane lines it becomes a hindrance to the water heater and it won t light.
You could also try scrubbing the thermocouple with a wire brush or sos pad to knock off the soot buildup that could be on the end.
Pilot will light but goes out as soon as button is released.
Dirt and debris can collect in the pilot tube causing the flow of gas to be blocked.
If it s too lean it makes a loud roaring sound and can burn back into the u tube.
Atwood model g6a 7 water heater pilot light will not stay lit.
Is used to sense that the burner is actually lit and if it is not lit or the thermocouple is bad then it will shut off the gas supply.
Thankfully a dirty pilot tube is the easiest issue to fix.
If the flame is too yellow and is lazy it is burning too rich and will be sooting the heater as well as operating inefficiently.
If you have an atwood water heater this video by gary bunzer will show you how to adjust the flame.
Atwood model g6a 7 water heater pilot light will not stay lit.
In case the hot heater starts you could conclude that air entrance is causing the real issue.