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11-28-2023, 01:03 PM
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#1
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Junior Member
Join Date: May 2016
Posts: 29
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Hot Water Heater Bypass Valve
I have a 2017 36RL. When I started the winterization process I removed the anode from the water heater, switched the hot water heater to bypass, turned on the pump and began pumping pink antifreeze into the lines. However, I noticed that a small amount of pink antifreeze was dripping from my water heater where i had removed the anode. I assume that my bypass valve is not seating properly. I then removed the screws attached to the bypass valve and discovered that I will probably have to get to the valve from behind the convenience bay wall. Has anyone changed the hot water heater bypass valve?
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Carl & Patti
2018 RAM 3500HO 4x4, 4:10, 6.7L, Crew Cab, DRW, Aisin, LB, Air Bags, 50 Gal. Transfer Tank
2017 RW36RL, 3 AC's, Auto Level, Slide Toppers, W/D, D/W, Res Fridge, Convection Microwave, Sleep #, Heated Tanks, Slide N Slide, 17.5" Sailun S637, Disc Brakes, 8K Morryde IS, TrailAir Air Ride 21K Pin, B&W Hitch
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11-28-2023, 02:08 PM
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#2
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Site Team
Join Date: Nov 2011
Posts: 1,340
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Quote:
Originally Posted by Carl & Patti
I have a 2017 36RL. When I started the winterization process I removed the anode from the water heater, switched the hot water heater to bypass, turned on the pump and began pumping pink antifreeze into the lines. However, I noticed that a small amount of pink antifreeze was dripping from my water heater where i had removed the anode. I assume that my bypass valve is not seating properly. I then removed the screws attached to the bypass valve and discovered that I will probably have to get to the valve from behind the convenience bay wall. Has anyone changed the hot water heater bypass valve?
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I had to replace the by-pass for my water heater in October 2020. I found the following part on Amazon at that time.
Thetford Winterizing Diverter Valve PN 94230
Visit the Thetford Store
4.5 4.5 out of 5 stars 52 ratings
$81.95
I installed new fittings on the pex tubing on the back side of the utility center to make replacement in the future a little easier.
Hope this helps.
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Guy & Phyllis
2012 RW36RL,DualA/C,KodiakDiskBrakes,TrailAir Tri-Glide,GY_G614's,Roadmaster Comfort Ride Slipper Spring Suspension
2011Dodge3500Laramie,CrewCab,4x4,SRW,Michelins, LongBed,6.7LCTD,3.73,PullRiteSuper5th20.5KHitch, BlueOxBedsaver
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11-28-2023, 03:13 PM
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#3
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Junior Member
Join Date: May 2016
Posts: 29
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Did you have to climb over your A/C ductwork to get to the bypass valve in order to change it out?
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Carl & Patti
2018 RAM 3500HO 4x4, 4:10, 6.7L, Crew Cab, DRW, Aisin, LB, Air Bags, 50 Gal. Transfer Tank
2017 RW36RL, 3 AC's, Auto Level, Slide Toppers, W/D, D/W, Res Fridge, Convection Microwave, Sleep #, Heated Tanks, Slide N Slide, 17.5" Sailun S637, Disc Brakes, 8K Morryde IS, TrailAir Air Ride 21K Pin, B&W Hitch
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11-29-2023, 01:12 AM
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#4
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Senior Member
Join Date: Jan 2014
Posts: 747
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The ductwork in the basement is for the furnace only. A/C vents are in the ceiling.
__________________
 Chris & Maria
2012 36RL, Full Body Paint, Dual Awning, Dual a/c, Splendide Combo, Fisher Paykel dishwasher, 6.5kW Onan, Goodyear G614's. 2015 F550 6.7l, 4X4, Lariat, CC, 176" WB, Long Box, B&W Companion
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11-30-2023, 08:28 PM
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#5
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Site Team
Join Date: Nov 2011
Posts: 1,340
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Quote:
Originally Posted by Carl & Patti
Did you have to climb over your A/C ductwork to get to the bypass valve in order to change it out?
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I think I did have to temporarily disconnect some of the furnace ductwork to provide easier access. Also, I remember changing the PEX tubing fittings to use the threaded fittings that came on the new valve. I did this work 3 years ago and unfortunately, I did not take a pictures.
__________________
Guy & Phyllis
2012 RW36RL,DualA/C,KodiakDiskBrakes,TrailAir Tri-Glide,GY_G614's,Roadmaster Comfort Ride Slipper Spring Suspension
2011Dodge3500Laramie,CrewCab,4x4,SRW,Michelins, LongBed,6.7LCTD,3.73,PullRiteSuper5th20.5KHitch, BlueOxBedsaver
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12-02-2023, 04:49 PM
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#6
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Junior Member
Join Date: Sep 2013
Posts: 29
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Ha.. Mine did the same thing happen this year. I hope it's the by pass valve, easy to get to. Thanks for the part number. Make sure to also check the one way flow valves that are in the plumbing system. There are at least three: The one at the outlet of the hot water tank is the hardest to get to. if this one went bad it could let the antifreeze go in backwards from the top of the tank when in bypass mode. There's also two others that will be in the water lines. They're not hard to spot when you take down the wall and they do go bad. When they do go bad they allow the cold and hot water to merge. I've had one of them go bad.
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2014 31SL, 5.5 Onan, Custom Magnum MS 2812 Inv./Chg.+ bat. mgmt. system, 2 Lifeline Grp. 4 agm bat.(420 ah), MorRyde Basement Slider, 2013 F-350 D. SRW.
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12-02-2023, 08:12 PM
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#7
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Member
Join Date: Dec 2013
Posts: 65
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By pass valve
I have a 2013 rl and replaced mine years ago. Just a heads up once you replace it, I forgot to burb that valve during the winterizing process to insure the winterizer was in the valve. The small amount of water in 5hat valve caused it to crack and break.
To also believe when I replaced it I put it in backwards and it doesn’t work that well that way. lol
Wasn’t to hard a fix other than taking the wall down. I also found that if you use some high strength Velcro on your wall edges you can leave the screws out. it is much easier than taking the screws in and out all the time.
Best of luck on your repair.
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2013 Redwood RL pulled with a 2009 Dodge Ram 3500 Laramie
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