A pioneer in the ventilation industry since 1948 ventamatic ltd.
Capacitor attic fan.
Attic fan motor this attic fan motor is the most expensive repair for attic exhaust fans.
If the fan starts spinning on its own and keeps spinning you have a faulty capacitor.
Manufactures high quality air delivery and air movement products for the residential commercial industrial and agricultural markets.
How to test an attic fan motor and thermostat.
The capacitor helps the fan motor run.
Look through the vents for the fan on top of the unit.
In this video i will show you how to replace the starter capacitor in a whole house fan.
To inspect the capacitor make sure it is discharged.
Problems with motors may actually be within the start capacitor rather than the fan motor itself.
Slide it into the vents and gently push one of the fan blades.
Testing the start capacitor before you throw away the motor saves the expense of purchasing another motor as compared to the cost of.
This american designed fan is designed to reduce attic temperatures and remove destructive moisture thus making your home more comfortable and reducing the load on your hvac system and lowering your electricity bills.
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If the motor isn t working you will need an attic fan motor replacement or attic replacement fan.
After you realize that it s not an electrical or thermostat problem the chances of it being a problem with the motor are quite high.
Delivering torque to the fan motor if the capacitor is faulty there won t be enough power delivered and the blower wheel fan belt and other important components can cease to operate.