I'm at my wit's end with this. About 5 days ago, the pilot light on my water
heater blew out. I reli t it. Lasted one day. Blew out again. Pulled out the
burner assembly, replaced the thermocouple. Relit it. Lasted 15 hours. Blew
out again. Took out the burner assembly, cleaned everything in sight ..
pilot lasted around 8 hours. There are no new entrways for drafts so I don't
think its a draft issue...but to be on the safe side I stuffed every
potential air leaking crack.

I tend no to think it's a chimney issue as I've got a boiler also on that
chimney and I have no problem with the boiler. The draft on the chimney is
excellent. I'm down to two theories....one is the gas valve. Is this a
realistic issue? I've checked to see what happens when I go from full on to
pilot and back to full on and back to pilot and back to full on. It goes
back and forth on each setting with no problem. The second explanatiion
might be the "popping" effect that sometimes comes with gas abruptly
shutting off....perhaps it's possible that the gas is now "popping" when it
turns back to pilot and the force of the "pop" blows out the pilot.
Any and all suggestions gratefully received!

Thanks........Art


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