Question about Water Heaters
I have a 13 year old 50 gal gas water heater in the attic (I'm in Texas). I drain the tank annually. Only during very hot summer days (100+ temp) the pilot goes off by itself. It does not goes off unless attic temperature is very high. I changed the thermocouple but the problem remains. The vent goes straight out to the roof and it has a vent draft installed on top of the tank. The vent pipe sticks out of the roof about 2 ft. I was told perhaps the vent cap out in the roof was too small. Is there a recommended vent cap size for a 3" or 4" vent? what else could be happening? Thank you!
It sounds more like the pilot is being blown out by drafting.If there is any open shielding at or below the pilot light line , it is very possible for it to blow out.Hold a tissue between your fingers and ck for drafts around the burner and pilot area. If it's the case, The drafting needs blocking.the exhaust will still exhaust because of the heat it generates and confined location in the combustion chamber. Good Luck.
Posted on Jun 18, 2009
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Posted on Jan 02, 2017
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