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Kool-o-matic motor

thought my kitchen exhaust fan-KOM- was bad- took it to a motor shop to see if it could be rebuilt, they checked it and said it was good. I have misplaced the resistor switch to reinstall the motor. I have 3 wires coming out to feed the resistor switch and motor, white, black and yellow- I can't seem to get voltage on any wires?? I moved the thermostat and checked the high and low switch but no voltage- I checked the fuse under the bed- it's good. I was hoping I could use the fan without the resistor switch, but will order a new one if I can't find mine, but without voltage I'm stumped?? any ideas??
Michael & Roxene, Aussie the wonder dog & his daughter Luna the lunatic.
1993 Grand Villa Unihome 280 build #4203
36' 8.3 Cummins 300 hp- 2001 Chevrolet Tracker toad

Re: Kool-o-matic motor

Reply #1 –
Took mine off - out.

Gave all the mechanic's to ?.  Name slips me, perhaps he has what u need & will pop up.
Replaced the whole contraption with a current unit which also gave me a opening sky light in the kitchen. The current ones fit the same hole in the roof/ ceiling.  Only problem is to get the vent off the roof.  Held down with 40 screws plus a mastic takes a little effort.
Cost with a remote control  memory -300.  Quiet,  pleasant, attractive.  Coach no longer looks like a food truck .
 :D


Bill, Tricia, Sassy  Mostly poodle. Maybe
It,s. 5 o clock somewhere,  ?
MoHo has 3 happy days,  Buy, everything works, sell.
  Hopefully the rest are pleasant days.

Pull 05 Jeep Liberty.

Re: Kool-o-matic motor

Reply #2 –
I like our " food truck " look. Curly or regular?

Re: Kool-o-matic motor

Reply #3 –
Quote from: Billbag –
Took mine off - out.

Gave all the mechanic's to ?.  Name slips me, perhaps he has what u need & will pop up.
Replaced the whole contraption with a current unit which also gave me a opening sky light in the kitchen. The current ones fit the same hole in the roof/ ceiling.  Only problem is to get the vent off the roof.  Held down with 40 screws plus a mastic takes a little effort.
Cost with a remote control  memory -300.  Quiet,  pleasant, attractive.  Coach no longer looks like a food truck .
 :D

Bill, do you have a link to that new fan and skylight?  Thanks!
Joe & Dottie Allen
Sold!  December 2023.      2000 U320; build # 5645
Our coach " Maxine"
Motorcade #  15922;  Escapee 150950; FMCA F330833; Boondockers Welcome;  Harvest Hosts;  Thousand Trails
'98 U320 from 2000-'06
USAF '62-'66

"Do not spoil what you have by desiring what you have not; remember that what you now have was once among the things you only hoped for." ―Epicurus

Re: Kool-o-matic motor

Reply #4 –

Joe, this is the one I used love it.


https://www.amazon.com/Fantastic-Vent-807351-Controlled-Thermostat/dp/B00TYTXQB8/ref=sr_1_4?crid=23B13T43XNY66&keywords=fantastic+vent+fan+for+rv&qid=1648490481&sprefix=fantastic+ven%2Caps%2C132&sr=8-4

As an Amazon Associate Foretravel Owners' Forum earns from qualifying purchases.
1999 40 ft. U-320 wtfe build 5563 Chuck & Lynda's "Rollin' Inn"  2030 watts solar
prev. mh's 71 GMC 5 yrs. 73 Pace Setter 1 yr. 78 Vogue 5 yrs 81 FTX 40ft all electric 18 yrs. 1996 Monaco Signature 3 yrs.
2014 Grand Cherokee Overland
Dream as if you will live forever. Live as if you will die today.  James Dean

Re: Kool-o-matic motor

Reply #5 –
I too have replaced the oem fan with a MaxAir with remote control unit, and used the remote base to cover the old holes from the old thermstat.
Dave Cobb
Buckhorn Lake Resort The Club, #6202, Kerrville TX
check the map.  I do rent it out when I am traveling!
2001, U320, 36' #5887, in Kerrville, FT Club #17006, (7/23 to present)
2024 Jeep Grand Cherokee L, Summit, white
EX: 98 U295, 36' #5219, (mid door), (4/13-10/23)
EX: 93 U225, 36' (4/11 to 4/13)

Re: Kool-o-matic motor

Reply #6 –
My bride wants to keep the KOM If possible, it seems to be a wiring/power issue. I'm a little stumped as to what the problem is, was hoping for technical advice besides replacing the whole unit.
Michael & Roxene, Aussie the wonder dog & his daughter Luna the lunatic.
1993 Grand Villa Unihome 280 build #4203
36' 8.3 Cummins 300 hp- 2001 Chevrolet Tracker toad

Re: Kool-o-matic motor

Reply #7 –
I replaced  the motor in mine with one from NAPA. I'll see if I can find the part number. You may be able to take your old on to NAPA , they can match it up. You may need to use a 20 amp fuse instead of a 15amp, the wire size is fine. Try a NAPA 6552378 motor, it is 3 1/4" diameter but will work just fine, your old one is 3". It seem to me one member found a 3" one at Napa . Hope this helps. PM me if you have questions.
Bruce, Linda, and Macy
Zoey RIP 1/20/19
1999 U295 40' build #5400
2017 silver Jeep Wrangler, 1260 watts of solar on top
Moving around the country
 

Re: Kool-o-matic motor

Reply #8 –
From what you are saying you have no power to the switch. Did you check the fuse
with a test light or a voltmeter. The fuse could look good but not work. The only other
thing I could suggest is too use a tone tracer to see if you have a break in the wire.
Peter and Frieda Morin
1999 36ft. U320 Foretravel
Build # 5436
1998 Suzuki Sidekick Sport