I have a 2019 Reflection 297 RSTS and when I started winterizing, I noticed anti freeze coming out of the water heater, regardless of what position the red knob was in. I followed the directions in the owners manual and even watched a couple videos. Help.
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Anti freeze in water heater
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x2 on TedS Ted's advice. The Nautilus system water heater bypass valve switches the water/antifreeze supply from the water heater inlet to the water heater outlet to bypass the water heater, but requires a check valve on the water heater outlet to prevent back feeding the water heater. These plastic check valves are notorious for failing. There are better quality brass check valves available. Changing this check valve is certainly an excellent "preventative maintenance" item for anyone with a Nautilus water system.
RobCate & Rob
(with Border Collies Molly & Angel + Kitties Hazel & Elsie)
2015 Reflection 303RLS
2022 F350 Diesel CC SB SRW Lariat
Bayham, Ontario, Canada
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Originally posted by Cate&Rob View Postx2 on TedS Ted's advice. The Nautilus system water heater bypass valve switches the water/antifreeze supply from the water heater inlet to the water heater outlet to bypass the water heater, but requires a check valve on the water heater outlet to prevent back feeding the water heater. These plastic check valves are notorious for failing. There are better quality brass check valves available. Changing this check valve is certainly an excellent "preventative maintenance" item for anyone with a Nautilus water system.
RobLast edited by Cate&Rob; 09-30-2021, 06:11 PM.
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howson
Tagging Howard on this thread since I think he has accomplished this same repair. The check valve is on the upper water connection on the back of the water heater. I am not sure how hard this is to get to on a Reflection 297 RSTS.
RobCate & Rob
(with Border Collies Molly & Angel + Kitties Hazel & Elsie)
2015 Reflection 303RLS
2022 F350 Diesel CC SB SRW Lariat
Bayham, Ontario, Canada
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Originally posted by Marty View Post
Is this check valve hard to get to or replace? Where would I get parts for this repair?
Edit: Forgive me stating the obvious--but make sure the water supply (and water pump) is off prior to attempting the repair. Open a hot water faucet to ensure all the pressure in the lines is removed. Also, ensure the water has cooled to avoid getting inadvertently burned.
Of course this recommendation assumes you have the same 6 gallon Suburban water heater in my 315RLTS.
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2017 Ford F-350 DRW, '19 315RLTSPlus
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Originally posted by howson View Post
Marty -- very easy to repair. Remove the drawers in the bedroom wardrobe closet and you'll see the back of the water heater. The valve I suggest as a replacement is the brass one from Valterra (I've had no issues since installing).
Edit: Forgive me stating the obvious--but make sure the water supply (and water pump) is off prior to attempting the repair. Open a hot water faucet to ensure all the pressure in the lines is removed. Also, ensure the water has cooled to avoid getting inadvertently burned.
Of course this recommendation assumes you have the same 6 gallon Suburban water heater in my 315RLTS.
HowardLast edited by Cate&Rob; 10-02-2021, 08:03 AM.
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You have the valve, but is it working properly. Remove it and check it. It should be normally closed, allowing flow in only one direction. Make sure it installed correctly allowing flow out of the water heater and not in. There should be an arrow imprinted on it indicating free flow direction. The arrow should point away from the water heater.
Do not put a check valve on the inlet.
You may need a new red handled valve, ultimately.Ted
2021 Reflection 310RLS
2020 F350 PS,CC,LB,SRW
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