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Bearings are shot on my nautilus exhaust fan, model #n678-f, can i get a replacement fan?

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: Nautilus N678-C

I tried to attach the document but was not able to. So, here is the link where I found it. You should be able to download it as well... Good Luck!!!

Posted on Feb 09, 2008

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SOURCE: Where can I get the new replacement N678-C

electric supply house ... or try try the electric place first

Posted on Nov 02, 2009

  • 1 Answer

SOURCE: Nautilus N678-C bathroom ceiling light/fan. Fan

Possibly try spraying some wd40 where the shaft goes into the motor if that don't fix it get a new one

Posted on Oct 12, 2011

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How do I remove the cover to replace the light bulbs on a Round Nautilus brand bathroom exhaust fan from the 1980's.

Most exhaust fan covers use a spring steel wire in a V shaped configuration. The bottom of the V is attached to the cover. There is a slot in the fan housing and by pinching the tops of the V togetherand insert them in the slots the spring pressure pulls the cover up tight to the ceiling.Carefully pulling the cover down enough to reach over the cover and pinch thewires together should allow the cover to be removed. Hope this helps.

. Bob

Aug 09, 2014 | Broan nutone Broan/nautilus Bathroom...

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Nautilus N678-C bathroom ceiling light/fan. Fan makes screeching noise. Will I need to replace the motor?

Possibly try spraying some wd40 where the shaft goes into the motor if that don't fix it get a new one

Oct 12, 2011 | Dryers

2 Answers

I have a Nu-tone 8663 RP Combo fan and light. The unit has been a great unit for a good number of years. The fan is shot. Motor bearings I think. How can I get a replacement fan assy. ?

I just ordered a replacement fan motor for this same exhaust fan. I got it from here,
It's this one,


1.2 amps, 115 volts 60hz
1550 RPM; Shaft 1/4" x 1"
Rotation = CCW
3.3" Diameter Motor
2 Mounting Studs Opposite Shaft End
Motor Case Length 1 15/16"
2-Prong 115 Volt plug
For Model 8663RP, 8673RP
8664RP (86933-000)
86933000, JA2B104N, JA2B104
can substitute 99080517

Part # 86933


It's on the first page, and the 8th motor on the page at the time of this post. Hope this helps!

Oct 20, 2010 | Broan-NuTone N-8663RP Combination Light...

1 Answer

Nu Tone Bath Exhaust Fan - QT-110N-B - motor vibrating

You can buy just the motor assembly. You would remove the grill. Usually there is a plug to disconnect the motor. Remove screw(s) and the motor and fan assembly will come out leaving the rough in housing in the ceiling. I did not locate your model number as you listed it however the QT line has numerous model numbers. Here is a link to the nutone page. You should be able to purchase a "trim kit" which would include the fan,motor,and grill. You can either buy it on-line, or you might try an electrical supply company.

Jul 05, 2010 | Home

1 Answer

Mouse got into the hot water heater thru the exhaust, now we are told that the fan bearings are bad - we have hot water, but when at the shower, it cannot produce enough hot water to keep up with the...

theoretically possible-----a mouse can get in, but most exhaust fan bearings are permanently sealed and are expected to run perfect for their designed life, without any need for lubrication---if a mouse got in, i can only assume that it was chewed up (or it's **** /urine) and was pulled into the motor/bearing shaft and caused some slow in revolutions due to animal parts grinding in the smooth bearings ---it could happen--it depends on how the bearings are sealed around the exhaust motor shaft....orrr, the mouse was killed by the spinning exhaust fan blade, and then "pasted" to the fan blades(ironically called a squirrel cage) and this caused extra weight and an unbalanced exhaust fan which would rapidly cause wear and burnout of bearings due to tremendous speed of exhaust fan---i have seen many a dead rodent inside "squirrel cages" (furnace and water heater exhaust fans and their housings) fact i chose to even scrape some of them out for refurbishment!

Mar 01, 2010 | Rinnai Webstone The isolator EXP tankless...

1 Answer

Can't seem to remove the exhaust fan - I don't see any screws?

on most of these units, there are tabs that hold one side in place and across from them is a detent that needs to be physically moved out of the way for the motor to swing down (uses the tabs as hinges), once the motor mounting plate swings down the tabs will slide out of the slots and the motor is out of the unit.

please take the time to give this solution a fix ya rating.


Mar 19, 2009 | Broan-NuTone (668RP) Fan

1 Answer

Nautilus bathroom fan blades don't turn

The motor is sized up. call someone to replace it and they should know how to remove the cover.

Nov 01, 2007 | GE 25 in. Nautilus GSC3400J Free-standing...

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