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01-03-2016, 08:41 AM
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#1
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Junior Member
Join Date: Jan 2016
Location: Maryland
Posts: 7
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Furnace
Hello everyone! Can anyone tell me why I have the dual thermostats in my thunderbolt but only one either works the furnace or I may only have one furnace?
2014 xlr thunderbolt 380amp
Ralph Walston.
Camp on!
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01-03-2016, 08:45 AM
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#2
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Senior Member
Join Date: Sep 2014
Posts: 2,310
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One for each A/C
Sent from my iPhone using Forest River Forums
__________________
XLR Thunderbolt 300X12HP
2014 Ram 3500 DRW
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01-03-2016, 08:47 AM
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#3
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Member
Join Date: Oct 2015
Location: Central Texas, y'all
Posts: 50
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Do you have two AC units? The one in the bedroom does not control the heater at all. At least that's how our unit is.
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__________________
Dave (daveclark) with Carol (Carolclark) and Timmy the Bichon in
"Roxy" the 2016 Rockwood Signature Ultralite 8299BS pulled by
2016 Ford F-350 Powerstroke Platinum 4x4 Crew Cab
8 Nights Camping in 2015
9 Nights Camping in 2016
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01-03-2016, 08:54 AM
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#4
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Junior Member
Join Date: Jan 2016
Location: Maryland
Posts: 7
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Yes I have the dual ac and the each thermostat has fan-cool- and furnace options on them but only the one in the living area works the furnace? When I try the one in the bedroom on furnace option it doesn't work. So I'm guessing it's one furnace for the whole camper?
2014 xlr thunderbolt 380amp
Ralph Walston.
Camp on!
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01-03-2016, 08:57 AM
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#5
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XLR Production
Join Date: Oct 2012
Posts: 184
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You are correct. The thermostat in the bedroom is only for the A/C in the bedroom.
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01-03-2016, 09:00 AM
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#6
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Junior Member
Join Date: Jan 2016
Location: Maryland
Posts: 7
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So do you know why it has the furnace option?
2014 xlr thunderbolt 380amp
Ralph Walston.
Camp on!
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01-03-2016, 09:50 AM
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#7
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Member
Join Date: Oct 2015
Location: Central Texas, y'all
Posts: 50
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Lower production costs to install the same thermostat rather than have two different to keep stocked and control in production.
Sent from my iPad using Forest River Forums
__________________
Dave (daveclark) with Carol (Carolclark) and Timmy the Bichon in
"Roxy" the 2016 Rockwood Signature Ultralite 8299BS pulled by
2016 Ford F-350 Powerstroke Platinum 4x4 Crew Cab
8 Nights Camping in 2015
9 Nights Camping in 2016
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01-03-2016, 04:51 PM
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#8
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Junior Member
Join Date: Jan 2016
Location: Maryland
Posts: 7
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Would my hot water heater be just has or can it be both electric and gas? If so I can't seem to find out how to use it on electric.
2014 xlr thunderbolt 380amp
Ralph Walston.
Camp on!
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01-03-2016, 04:56 PM
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#9
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Senior Member
Join Date: Oct 2015
Location: Western, MA
Posts: 430
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Quote:
Originally Posted by Rwals92
Would my hot water heater be just has or can it be both electric and gas? If so I can't seem to find out how to use it on electric.
2014 xlr thunderbolt 380amp
Ralph Walston.
Camp on!
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Ralph, the switch for electric is right on the HW heater which is accessed by removing the outside access panel. I added an interior switch for mine and just leave the outside switch in the on position.
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01-04-2016, 02:39 AM
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#10
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Junior Member
Join Date: Jan 2016
Location: Maryland
Posts: 7
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I took the panel off and the switch was on but it still seems to be running off gas. Any ideas?
2014 xlr thunderbolt 380amp
Ralph Walston.
Camp on!
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01-04-2016, 02:54 AM
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#11
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Just a member
Join Date: Jul 2011
Location: Great White North
Posts: 921
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Quote:
Originally Posted by Rwals92
I took the panel off and the switch was on but it still seems to be running off gas. Any ideas?
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If you're using large amounts of hot water it'll employ both gas and electric (provided it's switched on) to reheat. If you're using small amounts of hot water, the electric alone will take care of business. It's all determined by the temperature drop.
__________________
K&L + the Wild Bunch
TT: 2011 Rockwood 8293RKSS
TV: 2019 Dodge 3500 SRW Crew HO CTD
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01-04-2016, 03:02 AM
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#12
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Junior Member
Join Date: Jan 2016
Location: Maryland
Posts: 7
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So I'm guessing once the tank is full the electric will keep it warm and not the gas?
2014 xlr thunderbolt 380amp
Ralph Walston.
Camp on!
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01-04-2016, 03:14 AM
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#13
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Just a member
Join Date: Jul 2011
Location: Great White North
Posts: 921
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Quote:
Originally Posted by Rwals92
So I'm guessing once the tank is full the electric will keep it warm and not the gas?
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Bingo! 
__________________
K&L + the Wild Bunch
TT: 2011 Rockwood 8293RKSS
TV: 2019 Dodge 3500 SRW Crew HO CTD
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01-04-2016, 03:21 AM
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#14
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Just a member
Join Date: Jul 2011
Location: Great White North
Posts: 921
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It's temperature dependent. If the tank is full and at the design temperature, the electric element will keep it hot. If you have a shower and the temperature in the tank drops quickly, the gas burner will supplement the electric element to speed up the rise to operating temperature.
__________________
K&L + the Wild Bunch
TT: 2011 Rockwood 8293RKSS
TV: 2019 Dodge 3500 SRW Crew HO CTD
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01-04-2016, 03:31 AM
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#15
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Junior Member
Join Date: Jan 2016
Location: Maryland
Posts: 7
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I gotcha! Thanks for the help. I'm currently using my xlr as my residence while my house is being built so just trying to figure everything out.
2014 xlr thunderbolt 380amp
Ralph Walston.
Camp on!
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01-04-2016, 03:54 AM
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#16
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Just a member
Join Date: Jul 2011
Location: Great White North
Posts: 921
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Happy to help. One other thing regarding the electrical element in the hot water tank. If (when), for whatever reason, you drain the tank, ensure that the electrical switch is OFF. Many FRF members have discovered the hard way that if the switch is left on when the tank is empty and power is applied to the RV, the electric heating element will go up in smoke in in less time than it takes to say "oops" and get the switch to the off position.
__________________
K&L + the Wild Bunch
TT: 2011 Rockwood 8293RKSS
TV: 2019 Dodge 3500 SRW Crew HO CTD
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01-04-2016, 07:42 AM
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#17
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Senior Member
Join Date: Oct 2015
Location: Western, MA
Posts: 430
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Ralph, as Keith said, if ever your electric was left on without water in the tank, your element is burnt out. So, if the switch was on, it likely was on when no water was in the tank and you were plugged in. This only takes a minute or so to happen. You can get a new element at Home Depot for about $15.
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01-09-2016, 07:29 PM
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#18
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Member
Join Date: Sep 2015
Location: Sodus Point NY
Posts: 61
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I believe that if not in a hurry re recovery you can leave gas switch OFF on inside panel and electric will recover it, all be it slower. (Use parks free electric vs your propane)
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01-10-2016, 07:51 AM
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#19
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Senior Member
Join Date: Nov 2014
Location: Alberta
Posts: 139
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yes, if you have no major hot water demands, you can leave the gas switch inside turned off and just let the electric element do the work.
If you have the gas switched on with the electric, youll find that their is enough temp drop in the tank that the gas will come on when having a shower or using other large amounts of hot water.
__________________
'14 XLR 395AMP
'16 Ram 3500 DRW, 6.7 cummins w/aisin trans and 4.10 gears
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01-10-2016, 07:57 AM
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#20
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Senior Member
Join Date: May 2013
Location: Missouri
Posts: 910
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Quote:
Originally Posted by Rwals92
I took the panel off and the switch was on but it still seems to be running off gas. Any ideas?
2014 xlr thunderbolt 380amp
Ralph Walston.
Camp on!
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If you have the switch on, on the inside of the trailer it will light with propane.
Turn your outside switch on and inside one off to only use electric.
That is how ours works.
__________________
Mark B.
2021 GMC 1500
Anderson WDH
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