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12-29-2020, 08:32 AM
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#1
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Member
Join Date: Dec 2018
Posts: 35
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No bypass valve
I have a 2018 Rockwood 2509 TT I just bought. I went to winterize it and noticed there was only 2 valves on the back side of the water heater. 1 cold 1 hot. No bypass. How do you winterize without a bypass vavle.
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12-29-2020, 08:40 AM
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#2
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Site Team
Join Date: Mar 2014
Location: Grayson County, Texas
Posts: 21,578
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Quote:
Originally Posted by Wildbill57
I have a 2018 Rockwood 2509 TT I just bought. I went to winterize it and noticed there was only 2 valves on the back side of the water heater. 1 cold 1 hot. No bypass. How do you winterize without a bypass vavle.
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You have a bypass capability even with 2 valves assuming at least one of them is a 3-way valve. Click that 4 right down there ==> to see what I assume to be your set-up. # 4
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2015 FR Wildcat 295RSX / GMC Sierra
Nights Camped: '13 = 49/'14 = 74/'15 = 74/'16 = 85/'17 = 110/'18 = 111/'19 = 86/'20 =108/'21 = 115/'22 = 135/'23 = 78; Booked for 2024 = 69
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12-29-2020, 08:41 AM
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#3
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Site Team
Join Date: Mar 2008
Location: Southwest Alabama
Posts: 9,850
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Can you post a picture of the valve arrangement?
As Mr Dan said, A lot of systems use a 3-way valve on one of the valves so you don't need three valves to bypass the water heater.
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Salem 29RKSS Pushing a GMC Sierra 2500HD!
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12-29-2020, 08:51 AM
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#4
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Senior Member
Join Date: Sep 2012
Location: Virginia
Posts: 9,925
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My wildwood has two valves (neither is 3 way). I can bypass the water heater.
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2005 Dodge 3500 Cummins
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12-29-2020, 08:58 AM
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#5
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Site Team
Join Date: Oct 2014
Posts: 15,296
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If it looks like the one below, simply turn each valve handle to point toward the short bypass line.
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12-29-2020, 09:58 AM
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#6
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Senior Member
Join Date: Jun 2020
Posts: 112
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Same situation
‘21 26DBH
How can I really bypass the water heater when you have to go thru it to get to the hot line side
Note: I am a newbie and of a plumber
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12-29-2020, 10:34 AM
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#7
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Member
Join Date: Dec 2018
Posts: 35
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Thanks Mr Dan my tank is like the 1 in pic #4. Not sure how this bypasses the tank with valves in line with the gray line but I will give it a try. Thanks
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12-29-2020, 10:40 AM
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#8
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Site Team
Join Date: Mar 2014
Location: Grayson County, Texas
Posts: 21,578
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Quote:
Originally Posted by Wildbill57
Thanks Mr Dan my tank is like the 1 in pic #4. Not sure how this bypasses the tank with valves in line with the gray line but I will give it a try. Thanks
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Setting those valves 'correctly' forces the water through the gray loop instead of through the water heater. "Water Heater Bypass"
__________________
2015 FR Wildcat 295RSX / GMC Sierra
Nights Camped: '13 = 49/'14 = 74/'15 = 74/'16 = 85/'17 = 110/'18 = 111/'19 = 86/'20 =108/'21 = 115/'22 = 135/'23 = 78; Booked for 2024 = 69
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12-29-2020, 10:41 AM
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#9
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Site Team
Join Date: Mar 2014
Location: Grayson County, Texas
Posts: 21,578
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Quote:
Originally Posted by lizARdman15
Same situation
‘21 26DBH
How can I really bypass the water heater when you have to go thru it to get to the hot line side
Note: I am a newbie and of a plumber
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Setting those valves 'correctly' forces the water through the blue loop on the right instead of through the water heater. "Water Heater Bypass"
You are "of a plumber"?
__________________
2015 FR Wildcat 295RSX / GMC Sierra
Nights Camped: '13 = 49/'14 = 74/'15 = 74/'16 = 85/'17 = 110/'18 = 111/'19 = 86/'20 =108/'21 = 115/'22 = 135/'23 = 78; Booked for 2024 = 69
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12-29-2020, 10:51 AM
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#10
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Member
Join Date: Dec 2018
Posts: 35
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Thank you again for your help
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12-29-2020, 03:12 PM
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#11
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Senior Member
Join Date: Jun 2020
Posts: 112
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Quote:
Originally Posted by Mr. Dan
Setting those valves 'correctly' forces the water through the blue loop on the right instead of through the water heater. "Water Heater Bypass"
You are "of a plumber"?
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Although we are all here via plumbing(pipe laying), my iPhone autocorrected me from “not” to what you read.
What is the correct way to turn them?
By the time I crawl my big ole self all the way across the storage space with a flashlight and bifocals, I can’t see squat.
Forest river’s online manual is about worthless and I have crappy internet and cell service to watch one of their how to videos.
Every tutorial I have to JD has had the 3 valve system
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12-29-2020, 03:25 PM
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#12
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Site Team
Join Date: Mar 2008
Location: Southwest Alabama
Posts: 9,850
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Here's how those two three way valve bypasses work.
The left drawing is normal setting, and the right is in bypass.
Here's also a cutaway of the valve. The circle with the "T" part is the plug and it's what turns.
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Salem 29RKSS Pushing a GMC Sierra 2500HD!
Gotta go campin!
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12-29-2020, 06:24 PM
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#13
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Senior Member
Join Date: Jun 2020
Posts: 112
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Bama, does the valve in your schematic only turn 90 degrees?
Both the top and bottom valves only turn 90.
If I see it correctly, in the open position, it looks to allow water to both go thru the valve and into/out of the HW tank. In the closed, it lets water go thru the pipe but not into the tank.
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12-29-2020, 06:49 PM
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#14
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Pickin', Campin', Mason
Join Date: Aug 2015
Location: South Western PA
Posts: 19,146
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Quote:
Originally Posted by lizARdman15
Bama, does the valve in your schematic only turn 90 degrees?
Both the top and bottom valves only turn 90.
If I see it correctly, in the open position, it looks to allow water to both go thru the valve and into/out of the HW tank. In the closed, it lets water go thru the pipe but not into the tank.
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Correct on all accounts.
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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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12-29-2020, 06:52 PM
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#15
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Site Team
Join Date: Mar 2008
Location: Southwest Alabama
Posts: 9,850
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That is correct. There are stops on the valve that allow them to only turn 90º.
Yes, in the normal position water makes a 90º turn through the valve and in the bypass position it goes straight through the valve, but is blocked from going into or out of the heater by the back side of the plug. The cutaway shown would turn CCW (Counter clock wise) for bypass position.
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Salem 29RKSS Pushing a GMC Sierra 2500HD!
Gotta go campin!
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12-29-2020, 07:28 PM
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#16
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Senior Member
Join Date: Jun 2020
Posts: 112
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Ok, so it is stupidly simple!!!
Must be my Germanic roots from centuries ago that want to make things more difficult than it has to be.
I will turn the valves and hook up to my air compressor to see if I get anything else out of the lines.
I bet that the air going thru the tank was what was making the humming sound.
Check this box for RV knowledge off my list!!
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12-29-2020, 10:15 PM
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#17
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Senior Member
Join Date: Jul 2018
Location: Baraboo, WI
Posts: 611
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If you are are using an air compressor to blow water out of your water lines, make sure that you don't use high pressure. You can break things easily. I cut my pressure to 40 psi and it blows out the water very quickly. Just trying to save you some headaches.
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