Check valve on hot water side of shower? - Escape Trailer Owners Community

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Old 06-03-2019, 02:33 PM   #1
Join Date: Aug 2016
Location: Mount Vernon, Iowa
Trailer: 2018 19
Posts: 93
Check valve on hot water side of shower?

Has anyone installed a check valve on the hot water side in the shower, to prevent the cold blast when taking a "Navy shower"?

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Old 06-03-2019, 03:48 PM   #2
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Location: Calgary, Alberta
Trailer: 2017 Escape 5.0 TA
Posts: 14,832
I have never had that cold blast happen if using the shut-off while soaping up.

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2009 Escape 19 (previous)
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Old 06-03-2019, 05:18 PM   #3
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Location: Oswego, New York
Trailer: 2017 Escape 21, 2018 Ford F150
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I shut off the shower at the sink, not the shower head. It only takes a second to put the valves back where you had them when you shut them off.
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Old 06-09-2019, 03:25 PM   #4
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Location: Redwood City, California
Trailer: 2017 Escape 19
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I've always found mine to be too touchy to be able to easily set it back at the right temperature. A tiny millimeter of turn is the difference between being frozen and scalded.

I installed an ultra-low-flow aerator on the bathroom faucet, so if I have the flow on pretty low I can just flip the diverter. It uses minimal water but lets just enough through to minimize backflow. Not really ideal, but it works.

I've considered the check valve solution as well. I'm pretty sure you'd actually need one on each side and not just on the hot water side. I'm also not sure if you'd end up with basically all the water coming from whichever side has slightly higher pressure because of the valves.

The ideal solution seems to be a mixing valve like in a residential shower where on/off and temperature control are separate movements, but I've never seen an RV with one.
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