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02-07-2022, 11:05 AM #11
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No, it's not.
Howard and Peggy
2019 Momentum 351M, and 2018 RAM Cummins dually 6-speed.
His: 1999 Honda Interceptor
Hers: 2013 Spyder ST-S
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02-08-2022, 08:57 AM #12
What about this tape:
https://www.antiseize.com/26135
Very inexpensive at Grainger, but I don't know that it would work by itself. I'm going to use this in combination with anti-seize paste for water heater check valve. I'd be interested in any other ideas.2020 Reflection 273MK
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02-08-2022, 11:39 AM #13
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Those sealants won't prevent metal-to-metal contact.
Howard and Peggy
2019 Momentum 351M, and 2018 RAM Cummins dually 6-speed.
His: 1999 Honda Interceptor
Hers: 2013 Spyder ST-S
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02-08-2022, 07:02 PM #14
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I just commented in another thread about this. I am thinking if I use brass I will use a CPVC adapter between the tank and valve. I’d hate to replace an entire heater because a valve corrodes and freezes to the tank.
Larry KE4DMG
2022 F-350 KRU SRW LB - Airlift 5000+, ForScan, 37 RDS Aux Tank,
2019 310GK-R - Sailuns; MorRyde IS; Disc Brakes; 20K Reese Goosebox
Search kalakamods for my mods
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02-09-2022, 08:31 AM #15
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02-09-2022, 11:33 AM #16
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How about this one? I can't find an actual CPVC-looking nipple but this one says CPVC. I have some time before I have to do this so I am going to keep looking.
You can get the check valves in male to male of female to male; so if worse comes to worse maybe I can get myself to use a brass nipple into the tank. Then I wouldn't care if it fused itself to the tank and I could use a brass check valve.
Or - pex from the tank (right now it is flexible hose) to a valve and pex into the pex where the hose connects to feed the hot water throughout the rig. I suppose there are a few options.Larry KE4DMG
2022 F-350 KRU SRW LB - Airlift 5000+, ForScan, 37 RDS Aux Tank,
2019 310GK-R - Sailuns; MorRyde IS; Disc Brakes; 20K Reese Goosebox
Search kalakamods for my mods
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02-09-2022, 01:59 PM #17
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The biggest problem of brass to aluminum isn't that they will fuse together but because they are so dissimilar metals the reaction will cause corrosion. Corrosion is not something I would want to have going on in my fresh water tank. At one of the national rally's in Indiana I asked the person from Atwood in charge of repair about using a brass plug and he said no way to using brass with aluminum.
Marcy & Gary
2014 Grand Design - Reflection 303RLS
2022 GMC 3500 Denali Duramax Longbed SRW
2015 GMC Denali 3500 - Retired
2003 F350 - retired
Michigan
We're in trouble now, the dog are bloggin'!
https://3dogsandatrailer.wordpress.com/
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02-09-2022, 08:47 PM #18
I got a Camco brass valve. 1/2" female in and male out. I think this solution may work for me:
https://www.lowes.com/pd/Charlotte-P...NLY/1002984016
Then connect with short piece of pipe to:
https://www.lowes.com/pd/Apollo-3-4-...ter/1002947820
My only concern is getting too far out from heater output, and still getting the flex hose to line up correctly.Last edited by dryfly; 02-09-2022 at 09:07 PM.
2020 Reflection 273MK
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02-10-2022, 09:01 AM #19
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Galvanized is a metal that is not so much different from aluminum. There could still be a reaction but the chance is very slight.
Marcy & Gary
2014 Grand Design - Reflection 303RLS
2022 GMC 3500 Denali Duramax Longbed SRW
2015 GMC Denali 3500 - Retired
2003 F350 - retired
Michigan
We're in trouble now, the dog are bloggin'!
https://3dogsandatrailer.wordpress.com/
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02-14-2022, 02:56 PM #20
My project has run into a bump. After buying the CPVC fitting at Lowes I noticed it stated on the package "for cold water use only". I thought all CPVC was rated for hot water use, but after talking with the company that manufacturers the fitting, they say that anytime there are threads on a fitting it will not have a "hot water rating".
Other than taking a chance with the CPVC fitting or going with brass directly to the water heater, looks like another plastic valve is the only option. Unless I re-plumb the line with PEX and do an inline valve (assuming they are available).2020 Reflection 273MK
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