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04-07-2018, 08:38 PM
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#1
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The Aluminum Tent 3
2014 23' Flying Cloud
Park City
, Utah
Join Date: Aug 2015
Posts: 2,157
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Water Heater Valve positions on 2018 Classic
Trying to help a neighbor with 2018 30 foot classic. Can someone who has one please tell me what the correct valve positions on the attached photo needs to be for summer "Service" mode? We have a photo from Alde but the layout looks nothing like this and I can't make heads or tails to make sure they are correct, or in some sort of bypass mode. Manuals are useless. Much thanks in advance.
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04-07-2018, 10:51 PM
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#2
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The Aluminum Tent 3
2014 23' Flying Cloud
Park City
, Utah
Join Date: Aug 2015
Posts: 2,157
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Thought it through and think I figured it out. #1 OPEN to allow cold water to enter Mixing Valve. #3 OPEN to allow flow of mixed water to trailer; #2 CLOSED to avoid adding more cold water to mixed water downstream from mixing valve. I can make sense of these for winterizing later and bypassing to use Antifreeze in the plumbing. But there must be another valve hidden further back that feeds the boiler with water, that would need to be shut to avoid filling tank with antifreeze?
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04-08-2018, 05:48 AM
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#3
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Rivet Master 
2020 28' Flying Cloud
Upper St Clair
, Pennsylvania
Join Date: Aug 2011
Posts: 2,943
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Read the manual on winterizing and go back thru these threads on winterizing. Your valve assessment looks to be on point. I've talked to Alde a couple of years ago, they suggest putting Anti-Freeze in the boiler, AS blows out the entire system only.
I've winterized three times, but this year on our way back from FL I only blew out the lines and hot water tank, so when we go out again we shall see if blowing out only worked.
__________________
2020 28' Twin Flying Cloud
2021 F350 6.7 King Ranch
USAF Master Training Instructor (TI) & (MTI)- 68-72
Volunteer K9 Rehabilitator & Trainer
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04-08-2018, 06:54 AM
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#4
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Paul Kukstis
2018 30' Classic
Scituate
, Massachusetts
Join Date: Sep 2017
Posts: 33
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The hidden one is on the rear facing side of the unit feeding into the Alde Flow
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04-08-2018, 07:11 AM
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#5
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Paul Kukstis
2018 30' Classic
Scituate
, Massachusetts
Join Date: Sep 2017
Posts: 33
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I think number 1 valve should be open, it looks closed in the photo
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04-08-2018, 04:47 PM
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#6
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Reads a lot
2017 30' Classic
Titusville
, Florida
Join Date: Dec 2016
Posts: 1,209
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I know the ‘17 are different from the ‘18, even the early ‘18 are different from the ones being built and sold now but in the ‘17 there is no such thing as summer service mode. Is your friend in need of Hot Water and not needing heat? Guessing that is the question. I sat at JC for a week and looked at the guts of as many Classic as I was allowed, 7. No 2 were exactly the same, they were close but not identical. Just saying....
__________________
Lauri
She Believed She Could so She Did.
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04-08-2018, 04:50 PM
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#7
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Reads a lot
2017 30' Classic
Titusville
, Florida
Join Date: Dec 2016
Posts: 1,209
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Number 1 valve appears to be closed. That valve should be open.
__________________
Lauri
She Believed She Could so She Did.
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04-10-2018, 07:22 AM
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#8
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4 Rivet Member 
2018 30' Classic
Cumberland
, Maryland
Join Date: Jul 2017
Posts: 335
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On our 2018 Classic 30' all valves are open except (what you have labeled #2) is closed for normal operation.
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04-10-2018, 07:56 AM
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#9
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ObviouslyKnot
2024 30' Classic
KALISPELL
, Mt
Join Date: Nov 2016
Posts: 864
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Quote:
Originally Posted by paul.kukstis
The hidden one is on the rear facing side of the unit feeding into the Alde Flow
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What he said, high and deep against the boiler, or it was, when found several months ago by another.
__________________
James Mileur (& Belinda)
2024 Classic Twin, 2024 RAM 3500 Megacab, ProPride hitch
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04-26-2018, 12:42 PM
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#10
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Rivet Master 
2018 30' Classic
Jacksonville
, Florida
Join Date: Apr 2018
Posts: 745
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Quote:
Originally Posted by Airhead2018
On our 2018 Classic 30' all valves are open except (what you have labeled #2) is closed for normal operation.
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Agree. Note valve #2is the mixing valve bypass. Leave it open and you'll get 30 seconds of warm water during a shower. Too much cold bypass water.
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04-26-2018, 12:59 PM
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#11
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The Aluminum Tent 3
2014 23' Flying Cloud
Park City
, Utah
Join Date: Aug 2015
Posts: 2,157
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Thanks for feedback, I had managed to figure it out and yes, Valve #1 needed to be open.
Thanks for the tip on looking for the one on the side that feeds the boiler, that's the one I couldn't find. Didn't matter because when I helped them winterize, we used antifreeze in the boiler, and he will continue to do so just to be safe...it gets really cold here in the winter and I had heard that Alde suggests using Antifreeze in the boiler jacket.
All set, thanks again folks.
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