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Re: Need replacement motor for Ventamatic Attic Fan
Common motor. get from butler ventamatic or Johnstone Supply if you have an account. Hint, buy a whole new fan for $60; cheaper then buying piece by piece, then you get a new blade,motor and tstat for a little more then motor alone costs.
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I have an old robbins and myer attic fan. The motor is bad and there is no sticker let on the moter saying what hourse power or voltage the fan is. The model number is BV24. I couldnt find anything on the web about this model. Does anyone have a clue what kind of motor i need
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Sorry I can't be of more help.
The heat sensor or thermal switch can go bad, so can the motor.
Try a few things;
shut off power going to fan. try cleaning out the thermostat housing using some compressed air on low pressure, or use a vacuum cleaner on blow, or a hair dryer on no heat. you can also spray the inside with contact/motor cleaner(home depot electric dept.) and then blow the thermostat out of any dust or particles that may have lodged inside.
To see if the thermostat works at all, turn power to fan on. Take a hair dryer on heat and place near thermostat - to see if fan comes on.
To rule out a bad motor, the thermostat can be bypassed by hooking up the feed wires to the fan itself, if you're handy with wiring.
Ventamatic web site does list replacement parts for fans... Good luck!
I am assuming you replaced your fan by now. However in the future call Gibraltar Industries, they are the ones who manufacture all fans and motors. My attic motor fan also died and I first called Ventamatic and they wanted $65 for a new motor. I then called Gibraltar and they shipped one our for free. 800-527-1924.
I need to verify you have adaquate air flow, to cool the motor. If you have a window open, and the crawl hole open is there enough air flow into the the attic? It there is enough air flow and it still stops after about an hour, does this unit have a humidistate and a temperature switch on the housing or extension. If all the switches are working correctly then I could be the motor overloading/heating shutting down and then reseting. InMrFixIt