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RapidRobert 12-18-2010 03:32 PM

Gas water heater problem
I have a 48 gal. Bradford White gas water heater that is @ 10 yrs old. The inducer motor comes on, the burner lights and the motor continues to run momentarily after the burner goes out. About every other cycle, the 15A breaker trips during the middle of the cycle. Any ideas? Thanks for any help.

DangerMouse 12-18-2010 03:51 PM

It trips when the motor is NOT running?


RapidRobert 12-18-2010 04:52 PM

RE:Gas Water Heater Problem
No, it trips once the motor starts. The motor and the burner are both running.

DangerMouse 12-18-2010 05:02 PM

I'd check the wiring. Look for loose connection.


RapidRobert 12-18-2010 05:06 PM

I checked the motor and the wiring inside the panel and everything looks good and tight. Even replaced the breaker at the fuse box. Anyone know how to test the motor, and control unit?

Work4living 12-18-2010 05:07 PM

Is the induction motor getting hot......If so you are losing it, and your next move is a new heater.....replacement motor is quite pricey.

DangerMouse 12-18-2010 05:11 PM

True, they want an arm and a leg for those things.
A +10 YO heater might just be telling you it's time for a new one. Po)


RapidRobert 12-18-2010 05:14 PM

Just checke the motor--it doesn't feel hot at all. Did find a blue wire (runs from the control unit to the ignitor/sensor) that looks like it may have arced against the panel cover.

DangerMouse 12-18-2010 05:20 PM

Hmm, that's probably not a good thing.... huh?

Wrap some black tape on it and see if it stops?


RapidRobert 12-21-2010 07:12 AM

Checked with Bradford White tech support. They tell me that the only components capable of tripping the breaker are the inducer motor and the 120/24v transformer. Got the transformer and and motor pressure switch ordered. Guess I'll be changing them out on Wed. Motor assy itself is not too badly priced (under $200), but I'll save that as a final option since the transformer and switch are under $40 together.

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