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Gas hot water tank gets hot


papasumms
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Sounds like it could be.

1. Put a mirror close to the draft diverter on top and see if it gets covered with condensation because it's spilling.

2. How old is it? Maybe the flue baffle is completely shot and isn't slowing down the hot air rising up through the unit.

3. What temperature have you got it set to?

4. What control valve has it got? A few years ago there was a recalled gas control valve. Look at the recalls on this site or at www.recalls.gov

ONE TEAM - ONE FIGHT!!!

Mike

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In addition to Mike's suggestions, you might also confirm that the vertical rise of the flue measures at least 5'. Also confirm that negative pressure conditions within the area of the water heater are not excessive. The presence of other vented gas powered appliances within the same space as the water heater may cause sufficient negative pressure to result in draft issues on natural draft appliances. The presence of bath or kitchen exhaust fans, clothes dryers (electric or gas powered) will add to a negative pressure issue.

Marc

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Also check that the draft hood is properly installed. It should clear the top of the water heater to allow ventilation air to enter the flue alongside the burner gases, aiding the draft within the flue while also cooling the flue gases somewhat.

Marc

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