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Old 04-09-2017, 11:56 AM   #1
2 Rivet Member
2017 Basecamp
Edwardsville , Illinois
Join Date: Sep 2016
Posts: 32
Hot water tank bypass valve

Is there only one bypass valve on the Basecamp?

AThiker66 is offline   Reply With Quote
Old 04-11-2017, 10:49 PM   #2
1 Rivet Member
2017 Basecamp
SoCal , California
Join Date: Mar 2017
Posts: 17
Originally Posted by AThiker66 View Post
Is there only one bypass valve on the Basecamp?
I believe there is an undocumented valve that connects the the outlet of the truma hot water heater to the cold water supply. I guess this could be considered a "bypass" but not sure why it is needed, but seems like it would be more of a "mixing" valve to me. There are numerous reports of inadequate hot water. Our unit was shipped with the valve completely open. The result was a few seconds scolding hot water followed by a few seconds of cold water and back and forth. When I closed the valve the water temperature was more consistently hot.

There is also a shut off valve at the supply of the truma.

I took pictures of this valve and supplied them to my dealer, to have them get an answer directly from Airstream.

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Old 04-12-2017, 03:46 AM   #3
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2014 20' Flying Cloud
Long Island , New York
Join Date: Jun 2015
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Originally Posted by AThiker66 View Post
Is there only one bypass valve on the Basecamp?
Welcome to the forum! FYI you may want to read this thread, which concerns the points just made by Joe_Julie:

Good luck!

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