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03-26-2022, 02:12 PM
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#1
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Montana Master
Join Date: Oct 2012
Location: Box Elder
Posts: 4,712
M.O.C. #12947
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Water heater was not heating well
Over the, last several weeks, we had noticed the hot water was getting a bit cooler than the normal hot that we had been used to. We ended up turning on the gas mode just to take a shower. I finally figured out that the thermostat had to be getting weak, so I ordered a new one and changed it out. Now have hot water on 120 volts again from our Suburban water heater. The photo is of the old one.
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Bob & Becky
2012 3402RL
2012 Chevy 2500HD D/A CC 4WD
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03-26-2022, 03:06 PM
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#2
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Montana Fan
Join Date: Jun 2019
Location: new river
Posts: 416
M.O.C. #24181
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good thing to remember if the hot water does not heat well on electric. thx for the info. what neck of the woods you guys at? probably dont remember me we meet at the quartzite rally a few years back. i was in the same trade as you.
al meyer
3931fb
az
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al meyer
3931fb
az
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03-26-2022, 03:20 PM
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#3
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Montana Master
Join Date: Oct 2012
Location: Box Elder
Posts: 4,712
M.O.C. #12947
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Yes, how are you doing? We are still planted in Sun City, will probably spend most of the summer here this year. Lost our summer parking spot south of Yosemite and haven't come up with anywhere new.
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Bob & Becky
2012 3402RL
2012 Chevy 2500HD D/A CC 4WD
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03-26-2022, 07:30 PM
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#4
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Montana Master
Join Date: Oct 2006
Location: McKinney
Posts: 7,186
M.O.C. #6433
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The old one looks practically new. No discoloration. How did you determine it was bad? Low voltage coming out?
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Bill & Patricia
Riley, our Golden
2007 3075RL (recently sold, currently without)
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03-26-2022, 08:53 PM
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#5
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Montana Master
Join Date: Oct 2012
Location: Box Elder
Posts: 4,712
M.O.C. #12947
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It was bad because the water was not hot, just warm. I replaced it with a new one and the water is now hot. There is no way to test these easily, but the water heater was new in 2016 when I installed it, and we full time, so after six years of use, I guess the thermostat, which is the part without the reset button, just wore out. I could switch on the gas side and the water would heat up, so that was the test I used.
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Bob & Becky
2012 3402RL
2012 Chevy 2500HD D/A CC 4WD
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03-27-2022, 09:00 AM
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#6
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Montana Master
Join Date: Oct 2006
Location: McKinney
Posts: 7,186
M.O.C. #6433
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Thanks, Bob. I never had one go bad, so did not know if there was a specific way to test one or not. Especially if water was warm, but not hot. Easier if it is either hot or cold.
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Bill & Patricia
Riley, our Golden
2007 3075RL (recently sold, currently without)
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03-27-2022, 10:47 AM
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#7
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Montana Fan
Join Date: Jun 2019
Location: new river
Posts: 416
M.O.C. #24181
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bob we are doing ok looking forward to do some traveling did no get to qua zite the last 2 years but hopefully things are better for next year. hope you guys are doing well inn this crazy world. quartzite in your plans for next year? if so hope to see you then be safe stay healthy we are in new river az maybe 30 miles from sun city. going to be a hot summer
al meyer
3931 fb
az
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al meyer
3931fb
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03-27-2022, 03:34 PM
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#8
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Montana Master
Join Date: May 2018
Location: livingston,tx
Posts: 558
M.O.C. #21685
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Quote:
Originally Posted by rohrmann
Over the, last several weeks, we had noticed the hot water was getting a bit cooler than the normal hot that we had been used to. We ended up turning on the gas mode just to take a shower. I finally figured out that the thermostat had to be getting weak, so I ordered a new one and changed it out. Now have hot water on 120 volts again from our Suburban water heater. The photo is of the old one.
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Good info, ours is about 4 1/2 years old, I think I'll replace it just for maint. reasons.
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03-27-2022, 07:40 PM
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#9
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Montana Master
Join Date: Oct 2012
Location: Box Elder
Posts: 4,712
M.O.C. #12947
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It wasn’t expensive, only $20 on Amazon.
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Bob & Becky
2012 3402RL
2012 Chevy 2500HD D/A CC 4WD
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03-28-2022, 08:23 AM
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#10
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Montana Master
Join Date: Apr 2006
Location: Mesa az
Posts: 2,961
M.O.C. #5651
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A question on the electric side stuff - does the thermostat work on the electric? Ours could be a little hotter than it is.
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Tom and Gail
2013 Mountaineer 362
2012 Silverado 2500
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03-28-2022, 12:30 PM
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#11
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Montana Master
Join Date: Oct 2012
Location: Box Elder
Posts: 4,712
M.O.C. #12947
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Behind the black cover that has the two rubber button covers there are two thermostat/Hi-limit devices. The one on the left is the one for the 120 volt side and the one on the right is for the 12 volt controlled gas side. So, both function with electric to operate. On both, the actual thermostats are on the bottom and the resetable Hi-limit switches are the parts that have the buttons and these are positioned behind the rubber covers.
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Bob & Becky
2012 3402RL
2012 Chevy 2500HD D/A CC 4WD
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03-30-2022, 01:37 PM
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#12
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Seasoned Camper
Join Date: Dec 2018
Location: Jefferson
Posts: 75
M.O.C. #23206
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Check your heating element for excessive build up. I replace mine every year as those item pick up more corrosion than the corrosive rods do.
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03-30-2022, 05:54 PM
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#13
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Montana Master
Join Date: Apr 2006
Location: Mesa az
Posts: 2,961
M.O.C. #5651
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No one answered - can you adjust the temp on the electric side?
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Tom and Gail
2013 Mountaineer 362
2012 Silverado 2500
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03-30-2022, 07:03 PM
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#14
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Montana Master
Join Date: Oct 2012
Location: Box Elder
Posts: 4,712
M.O.C. #12947
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No, the thermostats are not adjustable, and they are supposed to be calibrated to 130 degrees. Sorry, I never saw a question related to a temperature adjustment on the thermostat.
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Bob & Becky
2012 3402RL
2012 Chevy 2500HD D/A CC 4WD
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03-30-2022, 07:58 PM
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#15
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Montana Fan
Join Date: Dec 2017
Location: Holts Summit
Posts: 123
M.O.C. #20913
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It is the element which fails more frequently. It should be checked for continuity on an empty tank.
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05-01-2022, 11:25 AM
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#16
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Established Member
Join Date: Jan 2022
Location: FRACKVILLE
Posts: 21
M.O.C. #30379
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hi maybe some one could help me pls. we have a 22 3761fl and it does not work on elec. it works fine on propane.have no power to element. but have power at breaker. pls help i think its someone small but cant think.. thank u. and no it does not have that little switch at bottom of hot water heater.. this is the incomand
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05-01-2022, 12:05 PM
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#17
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Montana Master
Join Date: Oct 2006
Location: McKinney
Posts: 7,186
M.O.C. #6433
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Kully - you really need to use a voltmeter to find the source of the problem as it could be several things. Some reported in the past;
- bad heating element
- bad thermostat/hi temp cutout
- bad little black switch on the water heater (assuming it is a Suburban, but yours must be an Atwood)
- bad relay in junction box on WH
- bad, burned, or loose wire connections at any of several points including inside the Jbox on the water heater
- tripped breaker (although you said you checked that)
- bad inside switch, or loss of 12 vdc to it
- loss of neutral
- and probably more.
If you are comfortable using a voltmeter to troubleshoot live 120 vac then that is the best way to find the problem.
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Bill & Patricia
Riley, our Golden
2007 3075RL (recently sold, currently without)
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05-01-2022, 12:12 PM
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#18
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Site Team
Join Date: Oct 2005
Location: Carmichael - CA
Posts: 7,398
M.O.C. #4831
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I too suspect it is an Atwood WH with which I have *NO* experience. But a quick Google search says there is a Reset Switch for the electric element near it under a cover. Push it it if it is sticking out (i.e. tripped).
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Carl (n Susan)
There is more to life than fuel mileage.
2012 Montana 3700RL Big Sky Package towed by a 2015 Ford F350 6.7L PSD 4WD CC LWB
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05-01-2022, 06:38 PM
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#19
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Montana Master
Join Date: Feb 2008
Location: woodstock
Posts: 545
M.O.C. #8174
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Always good to remember
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Ed
Montana Master
Woodstock Ga
2020 3931 FB Legacy
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08-09-2022, 06:47 PM
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#20
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Established Member
Join Date: Oct 2019
Location: Livingston
Posts: 40
M.O.C. #25043
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My element reads 115V in full tank. 121V at new switch. water is cooler then it was. Any thoughts?
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