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hooligan 04-29-2008 01:34 PM

Gas Water Heater Issues
 
Last night I noticed that we had no hot water, but we had normal water pressure. I checked the tank to see if the pilot and burner was lit and it was and running normally. But when I ran the water for about 10 mins the burner heat didn't increase, so I turned the dial up and still nothing.

This morning only the pilot is lit and the burner will not ignite even though its on a high setting.

I was told it was the thermo couple on another (unrelated) forum but the pilot is staying lit...whats going on?

LawnGuyLandSparky 04-29-2008 01:52 PM

The pilot is staying lit because the gas is on. The thermocouple heats when the pilot is lit, allowing gas to continue to flow to both the pilot and the burner. If the pilot were to blow out, the thermocouple's job is to shut off the gas by not sensing heat.

hooligan 04-29-2008 02:08 PM

So is it the thermocouple then? I am not good with this stuff at all but I am determined to fix it!

rjniles 04-29-2008 02:23 PM

The thermocouple is OK, if it were bad the pilot would go out. Make sure the valve has not been turned from the "on" position to the "pilot" position.

If the valve is "on" and the pilot is lit, the gas valve is probably bad. Depending on the age of the tank, the best solution would be a new HW tank. If the tank is reasonably new , it might be worth a gas valve replacement.

hooligan 04-29-2008 02:33 PM

Its in the 'on' position. Well it was I have turned it off and the gas lines off.

Is there a tutorial on how to replace that, and what is the average cost?

Clutchcargo 04-29-2008 03:11 PM

My guess is the tank's thermostat is broken.

hooligan 04-29-2008 03:17 PM

Quote:

Originally Posted by Clutchcargo (Post 119930)
My guess is the tank's thermostat is broken.

Wheres the thermostat

rjniles 04-29-2008 03:31 PM

Not trying to be a smart ass, but if you don't know what the thermocouple does or were the thermostat is -- You are over your head, call a plumber.

hooligan 04-29-2008 03:36 PM

Quote:

Originally Posted by rjniles (Post 119939)
Not trying to be a smart ass, but if you don't know what the thermocouple does or were the thermostat is -- You are over your head, call a plumber.

I know what a thermocouple is.where its located and keeps the pilot lit but I was just told by Lowes that the thermostat is a DIFFERENT part. I thought it was the same thing...so that being said I do have a plumber coming out to tell me whats wrong.

skymaster 04-29-2008 09:04 PM

Tell the plumber BEFORE he comes out to bring a new heater with him:yes:
It will be way cheaper than trying to fix an old unit that will continue to break from something else after you spend this time. NOT worth it, just replace it


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