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05-20-2019, 10:16 AM
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#1
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Senior Member
Join Date: Aug 2002
Location: Citrus Springs FL
Posts: 272
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Dometic Fire
Our Dometic refrigerator started to smell of ammonia so we shut it off.
I went outside removed the cover and started to investigate.
Then it caught on fire.
I had to extinguish it three times.
Shut off lp and all breakers.
Wonder why it could catch fire when shut off?
__________________
2006 Allegro Bay 34XB W-24 Vortec 8.1 UltraRV ECM, Iridium plugs, Magnum Plug Wires, Koni FSDs, Safety +, Tigertrak, Sumo, etc...
Founder, Winnebago Coach Forum
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05-20-2019, 10:19 AM
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#2
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Senior Member
Newmar Owners Club Workhorse Chassis Owner Spartan Chassis
Join Date: May 2010
Location: McAlester Ok
Posts: 2,057
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It is the leaking ammonia that is burning, not propane. Dangerous stuff, inhaling it is bad too.
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2007 Newmar KSDP. 3912
2010 Nissan Frontier SE
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05-20-2019, 10:20 AM
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#3
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Moderator Emeritus
Newmar Owners Club
Join Date: Apr 2014
Location: Southern Indiana
Posts: 19,417
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If you smelled ammonia then the cooling unit developed a leak. These also have hydrogen gas in the cooling units which is flammable.
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Steve
2002 Newmar Mountain Aire 4095
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05-20-2019, 10:24 AM
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#4
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Senior Member
Join Date: Nov 2015
Posts: 26,848
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Ammonia & hydrogen are highly flammable.....especially when you removed the lower vent cover and increased the available air to the hot mixture
Glad you caught it & where able to extinguish the fire
Just curious.......
Which Model is your fridge?
Original..2006 vintage?
2006 is during the time frame Dometic & Norcold cut production costs by going to thinner walled tubing in the mfg of cooling units.
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I took my Medication today. HAVE YOU?
Dodge 3500 w/Tractor Motor
US NAVY---USS Decatur DDG-31
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05-20-2019, 04:27 PM
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#5
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Senior Member
Join Date: Mar 2009
Posts: 1,232
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What model fridge?
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In between RV's at the moment.
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05-20-2019, 04:34 PM
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#6
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Moderator Emeritus
Join Date: Jan 2000
Location: West Palm Beach, FL. USA
Posts: 27,713
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The fridge boiler reaches 700-800 degrees when it fails and overheats, so more than enough to keep re-igniting the leaking ammonia-hydrogen mixture. The fire is neither propane nor electrical, so turning it off has little effect.
__________________
Gary Brinck
Former owner of 2004 American Tradition and several other RVs
Home is West Palm Beach, FL
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05-21-2019, 10:02 AM
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#7
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Senior Member
Join Date: Aug 2002
Location: Citrus Springs FL
Posts: 272
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Thanks everybody!
Dometic NDR 1062 w/ice maker. I assume it is the original unit.
Wasn't aware of the hydrogen. Thanks!
Off to Camping World in Flagstaff next week to have the replacement unit installed.
I always have an extinguisher outside by the BBQ stand. After a career in submarines old habits die hard lol.
__________________
2006 Allegro Bay 34XB W-24 Vortec 8.1 UltraRV ECM, Iridium plugs, Magnum Plug Wires, Koni FSDs, Safety +, Tigertrak, Sumo, etc...
Founder, Winnebago Coach Forum
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05-21-2019, 11:28 AM
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#8
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Senior Member
Join Date: Feb 2017
Posts: 1,037
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Do some reading on these pages about switching to residential. May save yourself some money, even if you have to buy the inverter/upgraded batteries. And then you'll have those for other uses as well.
Pros and cons either way, but worth reading about.
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'20 RAM 3500, '20 Heartland Road Warrior 430 https://thecastle.blog/ Also: Eagle Cap 950 Before:'17 Berkshire 38A class A https://dragonship.blog/ '11 Heartland Cyclone TH, '11 Lance TC, '05 Keystone TT, '76 Coachmen class A and a '16 DIY Transit conversion........
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05-21-2019, 11:53 AM
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#9
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Senior Member
Join Date: Nov 2011
Location: Full time RV'er
Posts: 5,152
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Quote:
Originally Posted by Ghost
Dometic NDR 1062 w/ice maker. I assume it is the original unit.
Wasn't aware of the hydrogen. Thanks!
Off to Camping World in Flagstaff next week to have the replacement unit installed.
I always have an extinguisher outside by the BBQ stand. After a career in submarines old habits die hard lol.
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Be careful with CW. They have a very poor reputation for service work. Incredibly poor. For the shop you are thinking of using, check RVServiceReviews.com to see if there are any reviews. There are a very few CW's that have a fairly good rep. Also google 'complaints about <name and location of service shop>' to see more reviews by locals.
Good luck. There have been some fire related deaths due to those defective refers so glad to hear you caught it in time.
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05-22-2019, 12:36 PM
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#10
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Senior Member
Join Date: Aug 2002
Location: Citrus Springs FL
Posts: 272
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Going electric only
Yes good idea. Didn't want to loose LP mode of operation as we like to boondock. However with the 7kw genset and Xantrex 1500W inverter all electric is reasonable. Only have two 12 volt house batteries though. And will be adding solar here soon as I have enough disposable residual income to support it.
Quote:
Originally Posted by oscarvan
Do some reading on these pages about switching to residential. May save yourself some money, even if you have to buy the inverter/upgraded batteries. And then you'll have those for other uses as well.
Pros and cons either way, but worth reading about.
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__________________
2006 Allegro Bay 34XB W-24 Vortec 8.1 UltraRV ECM, Iridium plugs, Magnum Plug Wires, Koni FSDs, Safety +, Tigertrak, Sumo, etc...
Founder, Winnebago Coach Forum
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05-22-2019, 12:52 PM
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#11
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Senior Member
Join Date: Apr 2004
Posts: 3,797
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Check JR refrigeration for their products https://jc-refrigeration.com/products/
Quote:
Originally Posted by Ghost
Yes good idea. Didn't want to loose LP mode of operation as we like to boondock. However with the 7kw genset and Xantrex 1500W inverter all electric is reasonable. Only have two 12 volt house batteries though. And will be adding solar here soon as I have enough disposable residual income to support it.
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__________________
George Schweikle Lexington, KY
2005 Safari (Monaco)Trek 28RB2, Workhorse W20, 8.1, Allison 1000 5 spd, UltraPower engine & tranny, Track bars & sway bars, KONI FSD, FMCA 190830, Safari Int'l. chapter. 1999 Safari Trek 2830, 1995 Safari Trek 2430, 1983 Winnebago Chieftain, 1976 Midas Mini
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06-03-2019, 10:29 AM
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#12
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Senior Member
Join Date: Aug 2002
Location: Citrus Springs FL
Posts: 272
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JR
120VAC replacement on the way.
Quote:
Originally Posted by George Schweikle
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__________________
2006 Allegro Bay 34XB W-24 Vortec 8.1 UltraRV ECM, Iridium plugs, Magnum Plug Wires, Koni FSDs, Safety +, Tigertrak, Sumo, etc...
Founder, Winnebago Coach Forum
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06-27-2019, 02:33 PM
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#13
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Senior Member
Join Date: Aug 2002
Location: Citrus Springs FL
Posts: 272
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120VAC replacement cooling unit from JC Refrigeration is working very well.
Their customer service is outstanding.
Thanks!
__________________
2006 Allegro Bay 34XB W-24 Vortec 8.1 UltraRV ECM, Iridium plugs, Magnum Plug Wires, Koni FSDs, Safety +, Tigertrak, Sumo, etc...
Founder, Winnebago Coach Forum
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06-28-2019, 02:28 AM
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#14
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Senior Member
Country Coach Owners Club
Join Date: Oct 2016
Location: Branson, MO
Posts: 286
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I will be replacing the same make and model fridge. Can I ask what model you replaced yours with. Thanks
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