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05-30-2017, 12:46 PM
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#1
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Member
Join Date: Jul 2015
Location: Las Vegas FR3 28
Posts: 68
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Water Heater issues
Hey Guys---and yes I have read the manual and it's underwhelming. For starters, does the system know/care if we are plugged in to 30 Amp service or boondocking? There is an on/off toggle outside by the burner, does this shut off the entire water heater or is there also an electric element that heats while plugged in? The problem at hand is the tank seems hot, but not as hot out of the faucets. AND does anyone really adjust the burner at elevation?
Any help is really appreciated.
Thx Barry
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05-30-2017, 12:52 PM
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#2
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Pickin', Campin', Mason
Join Date: Aug 2015
Location: South Western PA
Posts: 19,149
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Is this an on-demand tankless water heater?
Make & model of water heater will get you better answers.
__________________
2022 Cedar Creek 345IK 5th Wheel•Solar & Inverter•2024 Ford F-Series SCREW•7.3L•4x4•Factory Puck•B&W Companion•TST Tire Monitor w/Repeater•Sinemate 3500w Gen.
F&AM Lodge 358 Somerset, PA - JAFFA Shrine - Altoona, PA
Days Camped ☼ '19=118 ☼ '20=116 ☼ '21=123 ☼ '22=134 ☼ '23=118☼ '24=90
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05-30-2017, 12:53 PM
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#3
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Moderator Emeritus
Join Date: Oct 2014
Posts: 1,024
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If yours is like mine, it uses both propane and electric to heat up. The on/off switch only turns off the electric elements. (But you never ever want to turn that on if the tank is empty...I usually drain my water heater if it's going to be stored for a week or longer...I get bad smells if I leave water in it.)
Many use both propane and the electric to heat up but we've found just the electric works fine for us. (We space out our showers...I usually like one at night and the Mrs. likes her morning shower.)
__________________
Rick & Karen
(Retired USAF, MSgt)
Monument, Colorado
8-year Travel Trailer RVers
2013 Forest River Rockwood Ultra-Lite 2904SS
2014 Toyota Tundra Maxcrew SR-5 TRD 4x4 (with Firestone airbags in the rear)
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05-30-2017, 12:54 PM
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#4
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Site Team
Join Date: Nov 2010
Location: Northeast Louisiana
Posts: 33,960
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It sounds like you have a Suburban water heater, which is often ill-explained by dealers in the operation/use of.
We have a detailed FAQ about it here:
http://www.forestriverforums.com/for...ore-36197.html
You may also have the crossover valve incorrect (water not hot enough at the taps vs the tank), which is explained also in the thread above as well as here:
http://www.forestriverforums.com/for...st-103381.html
__________________
 2011 Flagstaff 831 RLBSS
A 72 hour hold in a psych unit is beginning to intrigue me as a potential vacation opportunity.
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05-30-2017, 01:41 PM
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#5
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Member
Join Date: Jul 2015
Location: Las Vegas FR3 28
Posts: 68
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Crossover valve
Not at the coach now but I bet I screwed up the valves after de-winterizing. I also have a problem with our toilet constantly plugging up ( water in, not wast out) and it looks like anode rod debris. This might explain a lot. THANK YOU for all the input and links to a much discussed topic. Barry
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05-30-2017, 01:50 PM
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#6
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Moderator Emeritus
Join Date: Oct 2014
Posts: 1,024
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Quote:
Originally Posted by bes
Not at the coach now but I bet I screwed up the valves after de-winterizing. I also have a problem with our toilet constantly plugging up ( water in, not wast out) and it looks like anode rod debris. This might explain a lot. THANK YOU for all the input and links to a much discussed topic. Barry
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Probably...the blue and red should have both valves open and the short one connecting them should be closed. (We've all done this but the funniest faux pas is when we go to drain the water heater and get a quick shower from forgetting to relieve the water pressure!!) 
__________________
Rick & Karen
(Retired USAF, MSgt)
Monument, Colorado
8-year Travel Trailer RVers
2013 Forest River Rockwood Ultra-Lite 2904SS
2014 Toyota Tundra Maxcrew SR-5 TRD 4x4 (with Firestone airbags in the rear)
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05-30-2017, 01:57 PM
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#7
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Site Team - Lou
Join Date: Oct 2009
Location: South Eastern PA
Posts: 23,269
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Quote:
Originally Posted by bes
Not at the coach now but I bet I screwed up the valves after de-winterizing. I also have a problem with our toilet constantly plugging up ( water in, not wast out) and it looks like anode rod debris. This might explain a lot. THANK YOU for all the input and links to a much discussed topic. Barry
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It is not explained well in any of the materials that I received, but NEVER drain your hot water heater through the low point drains.
Always close the winterization valves; then drain removing the anode/plug.
There is an awful amount of debris in the bottom of the tank; calcium nuggets and bits of anode that can be swept into the cold water line at the bottom of the tank if you drain the tank through the low point drains.
When you re-pressurize the camper, that crud will get pushed into the toilet valve and faucets; clogging them.
__________________
Lou & Freya the wonder dog
2008 GMC Sierra 3000HD Allison Duramax
2019 Flagstaff 8529FL
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06-18-2017, 11:05 PM
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#8
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Junior Member
Join Date: Aug 2010
Posts: 4
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I have had to replace the Suburban SW6D SW6DE SW10D SW10DE Water Heater Circuit PC Module Board 520814 ... twice, so far. (it's abailable on eBay)
Can anyone guess what the real problem is?
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06-18-2017, 11:21 PM
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#9
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Senior Member
Join Date: Jun 2012
Posts: 10,907
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Quote:
Originally Posted by kennewcomer
I have had to replace the Suburban SW6D SW6DE SW10D SW10DE Water Heater Circuit PC Module Board 520814 ... twice, so far. (it's abailable on eBay)
Can anyone guess what the real problem is?
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Bad converter putting out too high a voltage??
__________________
1988 Coleman Sequoia - popup (1987-2009) - outlasted 3 Dodge Grand Caravans!
2012 Roo19 - hybrid (2012-2015)
2016 Mini Lite 2503S - tt (2015 - ???)
2011 Traverse LT, 3.6L, FWD
2009 Silverado 1500 Ext Cab, 5.3L, 4x4, 3.73
2016 Silverado 2500HD Dbl Cab, 6.0L 4x4, 4.10
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06-18-2017, 11:38 PM
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#10
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Senior Member
Join Date: Aug 2013
Posts: 7,916
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Quote:
Originally Posted by kennewcomer
I have had to replace the Suburban SW6D SW6DE SW10D SW10DE Water Heater Circuit PC Module Board 520814 ... twice, so far. (it's abailable on eBay)
Can anyone guess what the real problem is?
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???? No, but I want to.
__________________
2017 Puma 297RLSS
2005 Ram 2500 4X4 diesel SMOKER!!
I love puns, irony and tasteless jokes...
born in Texas.... live in Arkansas 
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