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08-13-2014, 09:01 AM
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#1
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Senior Member
Join Date: May 2013
Location: North Central Vermont
Posts: 1,485
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Refrigerator Fans
I have seen numerous posts of folks installing internal and external refrigerator fans. I assume the external helps cooling, but internal? Where are these found, how are they installed and what is used for a power source? And what would be a clue that I need one or the other? I am not aware of any issues with mine including a 30 day trip last summer.
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2015 F350 XLT PSD CCSB SRW, Andersen Ultimate hitch
'12 Cougar High Country 299RKS, Mor/Ryde Pinbox
1/77 Armor Bn, 5th Mech, I Corps
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08-13-2014, 09:25 AM
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#2
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Senior Member
Ford Super Duty Owner
Join Date: May 2010
Location: Chasing 70 degrees in lower 48
Posts: 2,031
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The internal fan does several things. As long as there is not a problem with the door seals, there will be no more frost or icing on the fins and food will be at a more even temp on bottom shelf or next to fins. Veggies will also last longer. We had to readjust temp as things were to cold after adding fan - hence less run time for the cooling system. We are on the road three to four months at a time and have not had to defrost top or bottom.
On most units power for fan comes from the interior light. Fan runs 24 x 7. Ebay is a good source - look for Dometic Refrigerator Fan. Price is around $15.
Ours is on second RV and has been in use for about four years with occasional drops of oil added to keeps fans running quiet.
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Suzie & Chuck USNR USAF USCGA Challenger Owners Club 2015 37KT Challenger, Demco Commander tow bar, Ready Brake, Sewer Solutions, Safe-T-Plus 41-230, 5-Star tune, towing 2017 Ford Edge FWD 3.6L V-6 four down & 385 FastTrack kayak in the basement.
Summer - Creede, CO Winter - Okeechobee, FL
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08-13-2014, 09:42 AM
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#3
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Senior Member
Join Date: May 2013
Location: North Central Vermont
Posts: 1,485
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Thanks. Is the fan placed or pointed at anything in particular?
Does fan turn off when the fridge is off?
__________________
2015 F350 XLT PSD CCSB SRW, Andersen Ultimate hitch
'12 Cougar High Country 299RKS, Mor/Ryde Pinbox
1/77 Armor Bn, 5th Mech, I Corps
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08-13-2014, 09:43 AM
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#4
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Senior Member
National RV Owners Club
Join Date: Jun 2012
Location: Huachuca City Az
Posts: 284
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RV Cooling Unit Warehouse has a great unit for a fair price. We like ours!
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The Nilsons
2003 Tradewinds LTC, Dynomax Chassis,
350 Cummins, 2008 Lexus RX400h, 18' PJ Trailer
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08-13-2014, 09:45 AM
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#5
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Registered User
Join Date: Mar 2010
Posts: 8,777
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Quote:
Originally Posted by SkiSmuggs
internal? Where are these found, how are they installed and what is used for a power source?
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SkiSmuggs
I have been using an interior fridge fan, (similar to this one: Norcold Refrigerator Fan w on Off Switch to Increase Cooling Standard Model | eBay), for 5-6 years.
It uses 12VDC from the interior light circuit, and only runs when the refrigerator is ON, (AC or LP).
It reduces or eliminates frosting of the cooling fins, (especially in humid weather/locations). .....and it distributes the cold in the fridge uniformly throughout the box.
Mel
'96 Safari
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08-13-2014, 09:47 AM
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#6
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Senior Member
Join Date: May 2013
Location: North Central Vermont
Posts: 1,485
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Quote:
Originally Posted by MikeandRuth
RV Cooling Unit Warehouse has a great unit for a fair price. We like ours!
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Great and I see on the site a picture of the installation. Just what I wanted!
__________________
2015 F350 XLT PSD CCSB SRW, Andersen Ultimate hitch
'12 Cougar High Country 299RKS, Mor/Ryde Pinbox
1/77 Armor Bn, 5th Mech, I Corps
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08-13-2014, 09:48 AM
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#7
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Senior Member
Join Date: May 2013
Location: North Central Vermont
Posts: 1,485
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Thanks to everyone for the great information!
__________________
2015 F350 XLT PSD CCSB SRW, Andersen Ultimate hitch
'12 Cougar High Country 299RKS, Mor/Ryde Pinbox
1/77 Armor Bn, 5th Mech, I Corps
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08-13-2014, 09:52 AM
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#8
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Senior Member
Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 31,486
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Some members have wired in , computer cooling 12v fans to the fridge interior light.
I've had a battery powered ( 2x D cell ) interior fan for years but, the 1 month battery life is starting to bother me.
Oh well , another thing on the to do list. 
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99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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08-13-2014, 10:02 AM
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#9
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Junior Member
National RV Owners Club
Join Date: Feb 2013
Posts: 15
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__________________
1988 27' National RV Dolphin
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08-13-2014, 10:40 AM
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#10
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Senior Member
Workhorse Chassis Owner
Join Date: Jan 2002
Location: Pacific Northwest or SoCal
Posts: 3,035
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We have used Fridge Airator - Camco 44123 - Refrigerator Accessories - Camping World for years. I like the ability to move the units around as you load the fridge. Additionally, it's easy to evaluate the operation, and a cheap fix.
Fred
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Fred and Bonnie
2005 Dolphin LX 6375
Abby, Ruffles & Scarlett, "The Cats" 
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08-13-2014, 07:28 PM
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#11
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Member
National RV Owners Club
Join Date: Oct 2013
Posts: 44
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rvcoolingunit.com. 
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08-13-2014, 07:43 PM
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#12
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Senior Member
Join Date: May 2009
Location: Mariposa, CA
Posts: 3,933
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When I had a Dometic NDR1292, I installed Internal and External Fans.
I used 110V thermal-controlled fans from Coolerguys.com for my rooftop exterior fans.
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2003 - 2010: 2004 35' National RV Sea Breeze LX 8341
2010 - 2021: 2001 41' Newmar Mountain Aire 4095
2021 - ???? : 2001 31' National RV Sea View 8311
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Linear Mode
