My first suspect is the thermocouple has failed (they should be changed periodically, every 5-7 years as they do fail). Without the signal from the thermocouple, the gas valve can not open and start the ignition process.
SOURCE: Tankless water heater pilot light will not stay on
It is most likely the water valve stuck open, telling the controls to heat water, that it thinks is flowing through it, but without actual flow it overheats. Depending on how comfortable you are with taking it apart yourself, you could open the valve to see if it just needs cleaned out, or if you have a ruptured diaphragm or some other cause.
SOURCE: My GE gas fired water heater pilot goes out after
you will need to change the thermal coupling,, when it is lit look at it and make sure there is no water dripping down on it, but for now it just sounds like the thermocoupling
SOURCE: Electronic ignition tries to lite, clicks 5 times, then goes POOF
Gas burners go "poof" when they have too much gas in the area upon lighting. This is normally due to the ignition source not being close enough to the initial source of gas. This is normaally corrected by ensure the main burner is clean so that it distributes the gas correctly and having the ignition source at proper strength and location. I would have to have good schematics of your heater to be more specific. I hope this helps.
SOURCE: I have a Rheem glas fury model 22-40 gas water - leaking
once they leak it's time for a new water heater. ther is no way to repair a tank leak
SOURCE: pilot light on water heater goes out frequently
Check the following:
See if your heater has a pilot gas adjustment valve. It should be on the gas control valve somewhere. Not all heaters have these. It will be a screw on the valve that can be turned.
Make sure the thermocouple sensing bulb is squarely in the pilot flame and also check that the fitting where the other end of the thermocouple connects to the main gas valve is tight.
Check the pilot gas orifice (where the pilot gas comes out) for carbon build up - you may need to remove the pilot gas line and thermocouple assembly to get to this. This problem is pretty common.
Check the gas pressure to the heater. Run the hot water in the dwelling until the hot water heater starts. Check the flame on the main burner and see what color it is - it should be blue with possibly some yellow-tipped flames. If not, there could be a problem with the gas pressure at the heater or venting. If the heater has a gas pressure regulator, it may be out of adjustment or defective.
Finally, and this isn't very common, the pilot light can be extinguished if there is a draft problem, usually associated with an issue with the flue pipe venting system for the heater or another nearby gas consuming appliance.
Testimonial: "thank you. will try these suggestions tomorrow. really appreciate it."
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