Water Heaters - Power vent hot water heater

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homeowner_z
04-30-07, 07:52 PM
Should the fan on a power vent hot water heater run all the time?

furd
04-30-07, 10:53 PM
No, only when the burner is lit.
homeowner_z
05-01-07, 05:50 AM
OK, so now what do I do? Shut it down to reset?

windsormate
05-04-07, 12:23 PM
If the venter motor on your wtr htr is not shutting off it means that the water is not getting up to the set temperature or it could be a sticking relay or some other control problem. Is the burner also staying on? Does the water seem hot enough? Something I see often is a venting problem causing the pressure (suction) switch to stay open some of the time. Venting problem can be anything from a partially blocked vent to a plugged up squirrel cage on the blower. You might need to call in a professional to do the diagnostic.