Fasco C-Frame Vent Fan Motor .71amps 2750RPM 115 Volts # K100 (CW rotation)

After some searches at local hardware stores that turned up empty, this motor turned out to be the perfect size for a direct motor replacement for our bathroom fan (house is circa 2003). All of the motor replacements from local stores were too tall to fit into the ceiling housing, but this one is easy and installs quickly. Please be aware that the nuts to attach it to the bracket are NOT included so save your old ones and the rotor is not included so make sure you save that too.

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The bathroom fans in my house are 20 years old and all of them are starting to die or have already given up the ghost. After a whole day of researching I found this Fasco fan motor was supposed to be a direct swap out for my Marley Engineered Products A647 model. And it was! All you need is a flat head screwdriver and a wrench. The hardest part was vacuuming out the old dust that had accumulated in the fan box area. The fan blade slid off the the old post and right onto the new one. It’s a nice solid and snug fit. The old C-Frame holes line up perfectly to the new motor bolt posts. Perfect! They should last long enough to be someone else’s problem next time they start to die. They came promptly from CHS Electric Motor Supply.

Exact replacement for 30 year old bathroom exhaust fan. Uses original nuts from existing "C" mounting bracket. Good to go!

The original motor in my Fasco A647 fan stopped working after about 30 years. It was easy to replace with this motor, which fit perfectly and runs well. The hardest part was cleaning out 30 years of lint and dust. I re-used the old fan housing, plastic fan blade, metal motor bracket, and screws and nuts.Replacement steps were simple:1. Turn off circuit breaker to the fan2. Pull down and detach fan cover(clean out lint and dust, take a picture for reference)3. Unplug fan motor from housing plug4. Loosen screws on motor bracket, and remove bracket and motor(clean out lint and dust some more)5. Loosen nuts on motor bracket to remove old motor from it6. Remove old fan from old motor. The fan was press-fit onto the motor shaft. I was careful not to bend or damage it. I put a flat wrench between the fan and motor, and gently pried them apart a little at a time, moving around the motor as I went.(clean lint and dust off fan and bracket)7. Mount new motor on old bracket in same orientation as old motor, tighten old nuts8. Press new motor into old fan, spin by hand to check if straight, adjust if needed9. Re-mount motor bracket, motor and fan in housing, and tighten bracket screws10. Plug in new motor to the plug in the fan housing11. Turn circuit breaker back on and test11. Re-attach fan coverThe new motor is quieter than the old one, probably because the fan is so clean now and was so filthy before.

Perfect fit for a worn out bathroom exhaust fan motor.Easy to replace:1. Turn OFF fan switch. Remove fan cover, unplug motor from housing, take out 2 bracket screws (may vary), remove bracket with motor/fan, remove the two nuts on the bottom of mounting bracket, take off old motor, and replace with new. Make sure the new motor is attached tightly to the mounting bracket, or else it may vibrate loose, later on.2. Then, replace with new fan blade (Plastic Fan Blade 4-5/8" Dia, .1811" Diameter Bore, Round bore Hub), taking care to adjust the new blade for clearance on top of motor. Spin new blade to make sure it doesn't scrape the motor. Level, or balance the new blade as best you can by pulling up, or pushing down on one side of the blade. It won't be perfect, but a balanced blade will run quieter.Noise from these fan motors is subjective. But, I'd give it a 5 on a 10 scale with 10 being the loudest. I did notice the amperage of this motor (0.73A) was a bit less than the one I replaced (0.90A). But, I noticed no difference in speed, or performance.BTW-You may be tempted to plug the fan in while holding it in your hand to check it. DO NOT! The motor MUST be grounded, first!Make sure you do NOT plug in the fan UNLESS it's mounted into the ceiling box (grounded), otherwise, you risk getting shocked!

Worked perfectly with my Fasco A664 model. Stupid easy to install! It is a touch louder, but boy, it moves so much more air! It gets five stars just because my current vent fan/light combo is hammered into the stud with Jesus nails, and there's a second floor directly above it. You just can't put a price on not having to remove something the builders never intended for you to remove!

Perfect replacement for my 40 plus year old Fasco motor. The noise level is better than I thought it would be. It's not annoyingly loud, but loud enough that people can't hear you pee. Perfect for a hall bathroom in a smallish townhouse.