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08-14-2022, 07:30 AM
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#1
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New Member
Join Date: Aug 2022
Location: Ottawa
Posts: 3
M.O.C. #31463
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Hot Water Tank replacement
I have a question. We purchased our Montana 3665 used. Great RV. The only thing is that the people we purchased it from switched out the RV hot water tank for a small electric Home use one. We want to put an LP/electric RV hot water tank back in. How difficult would that be? I was considering the tankless, they removed the unit but left the wiring. We would like to Basically install a complete new system not just replacing it. Can we do it ourselves or would it be better to get done professionally which I know will cost.
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08-14-2022, 07:43 AM
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#2
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Montana Master
Join Date: May 2019
Location: Alton
Posts: 2,733
M.O.C. #24086
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There is a Suburban water heater manual in the files section. It has instructions for the install to give you an idea what is involved. It doesn't look hard.
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Daryl and Marianne,
2019 3130re 20th Anniversary Edition
2016 F350 Lariat
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08-14-2022, 08:04 AM
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#3
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Site Team
Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
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__________________
Dick, Joyce, Diego, Picatso and Gustav
2017 3720 RL, and 2013 HC 343RL
Pullrite Hitch, IS, Disk Brakes, 3rd AC, Winegard Traveler, Bathroom door mod, Dometic 320, couch for desk swap, replaced chairs, sun screens, added awnings, etc.
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08-14-2022, 08:43 AM
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#4
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New Member
Join Date: Aug 2022
Location: Ottawa
Posts: 3
M.O.C. #31463
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Where do I find the files section. I am new
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08-14-2022, 08:37 AM
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#5
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Montana Master
Join Date: Feb 2012
Location: Lake Gaston
Posts: 8,773
M.O.C. #12156
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Hard part is done, original already pulled. If the wiring, water and propane lines still in the originally installed locations, not hard. As stated, very tight workspace is the biggest headache
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Mike and Lorraine
2002 3655 FL, 2005 3650RK
2010 3665RE, 2015 3910FB
F350 crew cab dually 6.7
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08-14-2022, 08:42 AM
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#6
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New Member
Join Date: Aug 2022
Location: Ottawa
Posts: 3
M.O.C. #31463
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Thank you . We could not see the propane line but will look again. The nice part about this, there is a cupboard above the location so we opened yesterday as it is screwed shut. We have good access from above the area. You are right small area of working. From outside.
I was considering Hot water on demand but probably best to stick with the original type.
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08-14-2022, 10:37 AM
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#7
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Site Team
Join Date: Sep 2017
Location: Oro Valley
Posts: 3,957
M.O.C. #20477
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Files are in the second brown bar from the top. Files are second from left.
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Zack and Donna plus Millie and Ranger
2018 3160RL
"Life is too short to stay indoors, enjoy the ride!"
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08-14-2022, 04:06 PM
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#8
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Montana Master
Join Date: Jan 2018
Location: Austin
Posts: 2,445
M.O.C. #21044
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Try a search for tankless water heaters and read about the install. I removed the bulkhead wall in the basement to access mine. It was not very difficult.
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MikenDebbie Aggie ‘77 in the sticks near Austin TX
2019 Chevy 3500 High Country DRW
2018 Montana 3921FB
Aussie Gus + Texas Heeler Jimmy
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08-28-2022, 01:16 PM
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#9
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Montana Master
Join Date: Mar 2013
Location: Hanover
Posts: 1,471
M.O.C. #13325
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Had to replace ours while on the road a few years back. Not difficult, but hard to get into spaces, etc. Ours failed as the lame composite wood scraps the factory put under the tank deteriorated and the tank cracked while driving around Chicago. MAKE SURE you support the tank well with solid wood pieces, not plywood or composite.
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