Remove the existing fan leaving the old duct work and wiring.
Easy install bathroom fan.
Unplug and remove the old mounting plate and fan motor.
You can use the existing switch wires and ductwork.
Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic.
How to install a bathroom fan vent in the soffit.
This way we can make sure both are positioned properly.
Switch off the power at the fuse box.
Next we must slip a worm drive metal clamp on the inside part of duct liner.
If not you must cut around.
Remove the tape from the fan first.
To install a bathroom vent fan upgrade kit.
Turn the power back on and test your new bathroom fan to make sure it s working.
Ideally your fan should be near the tub or shower but.
Also it helps to get a fan that s the same size as your existing fan so you won t have to adjust the size of the ceiling hole.
Typically either a bare wire or green wire will attach to the side of the metal housing for grounding a critical safety measure.
Check the damper and the screen in prior to installation.
Connect the red wire to one switch terminal and the black wire to the other terminal.
Install the decorative plastic grille by slipping its mounting wires into the available slots in the housing unit.
Fans are rated by cfms and sones.
Idea 5 connecting the duct to the bathroom fan.
Don t install it in the wrong spot.
Once you ve chosen the right capacity bathroom vent fan make sure to install it in the right place.
The installation is easiest if you re replacing an existing fan.
For a fan and light switch with existing wiring splice the white wires and connect the grounds securely with wire.
Climb into the attic and clear away any insulation from around the hole.
In the bathroom insert the fan unit into the housing per the manufacturer s instructions.
Draw a mark on the bathroom ceiling where you d like to install the vent fan.
For optimum performance locate it between the shower and the toilet.
Follow steps 3 10 of the new construction installation to complete.
Use the information below to select a fan.
Remove the fan cover on the existing bathroom fan.
Measure the ceiling opening and determine if it is large enough to accommodate your new fan.