Check pilot light if strong flame its ok if not clean or replace check burner tubes for blockage
Thermocouple or flame sensor faulty
SOURCE: whirlpool water heater pilot light does not stay lite
I have a Lowe's Whirlpool water heater. I've experienced the same problems as I've seen described here. My pilot light started going out several times a day. It was not such a big deal, the tank is well insulated so the water would stay warm - I'd just re-light the pilot before going to bed and before going to work. That worked well for about three days, but the problem got progressively worse until it just would not light at all. I replaced the thermocouple with a Honeywell universal thermocouple that I got at Home Depot - that did not solve the problem. I'm very handy, so I decided instead of going through warranty service and having to wait three or four days for replacement parts, I'd buy a new gas valve at Lowes and try that. It cost $54.00 and it worked. By the way, I put the original thermocouple back in and the pilot light stays lit - it was definitely the gas valve and not the thermocouple in my case. It was a real pain to do since I had to drain the tank, but it only took about three hours total. From what I've read, these things last anywhere between six months and two years. That's ridiculous, but at least I have hot water now. If you are reading this because you are considering purchasing a Lowes hot water heater, DON'T!!! I started my search for a replacement gas valve at Home Depot, but they don't stock them. Lowes had 8 on the shelf. That tells you something right there - the water heaters Home Depot stocks don't need to have the gas valves replaced before the tank wears out - there's no demand for the valves so Home Depot doesn't stock them. Lowes probably sells 8 of them a week - all the boxes were shiny and new, not dirty and dusty like some items get when they sit around in home improvement stores.
SOURCE: pilot light going out on whirlpool hotwater heater-Fgif403t Flam
This is not a solution to that problem, but the dripping water is just condensation from the cold water in the tank. Like a coke can on a warm day. It goes away after everything warms up. It is more than likely a gas valve, but I have fooled mine into working by not turning the valve all the way up to the full on position.
SOURCE: AO Smith water heater won't fire.
I bet your thermo couple is bad or your ports are clogged? How old is the unit?
SOURCE: After a few minutes of burner heating the water, gas shuts off.
A couple of things to check:
If possible, remove the pilot gas assembly and clean the gas jet and thermocouple - they can get carboned up and stop working properly. Make sure the pilot flame and deflector is aimed properly and making the thermocouple glow red hot. If the problem persists, you may want to replace the thermocouple and also check the propane regulator.
SOURCE: no hot water, pilot light lights but no burner ignition
Thermo coupler may be defective. it controls the main gas valve by closing main if pilot is out. make sure thermo coupler bulb is positioned over and near tip of pilot flame, but not in the flame. Thermo couplers are inexpensive and easy to change out.
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