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Old 12-29-2011, 12:19 PM   #1
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Location: Beaverton, OR, USA
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Hot/Cold Water Equalizer

Are there any shower controls for RV's that equalize hot and cold water pressure, and/or temperature? In our Southwind we have to ban water usage while someone is in the shower in order for the shower-ee to enjoy the experience.

A stick-house type of regulating shower faucet could be used, but is there something that is more suited for the low flow characteristics of an RV shower?

I presume that the high end units use something better than just hot and cold water valves.
2002 35R Southwind, W22 8.1L Vortec UltraPower, 19.5' wheels
Toad: Wrangler, lifted and on 35" tires
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Old 12-29-2011, 07:24 PM   #2
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Are you having this problem when hooked up to city water or when using the water pump and not hooked up to city water?

If hooked up to city water and having the problem, try turning on the water pump and see if that helps... just make sure your water tank has water in it.

If not hooked up to city water, then the problem may be your pump is not working properly or is too low of a volume pump to keep up with the demand.
Ronnie (WD5GIC) & Jan (WD5IHU)
2003 Monaco Dynasty Countess 42' w/tag, 2012 Ford Flex

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Old 12-29-2011, 07:48 PM   #3
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Happens on city water also....this is the same issue we had in our house until we had the pipes redone and the shower valves replace with equalizing/temperature regulating valves.

The real issue is that if someone uses hot or cold water while someone is showering the mixture will change and the temperature will vary.
2002 35R Southwind, W22 8.1L Vortec UltraPower, 19.5' wheels
Toad: Wrangler, lifted and on 35" tires
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Old 12-29-2011, 08:19 PM   #4
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There is no reason not to use a residential-type shower valve in the RV. There is nothing about an RV system that is outside the norm for house systems. My "high end" coach came with standard model Moen faucets throughout, but its still not an equalizing shower faucet.
Gary Brinck
Former owner of 2004 American Tradition and several other RVs
Home is in the Ocala Nat'l Forest near Ocala, FL
Summers in Black Mountain, NC
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Old 12-29-2011, 08:40 PM   #5
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My knight has the standard RV 2 knob with the hose sticking out the top RV shower...

I'd really like to explore putting a moen posi temp in it. Not sure how I'd handle the shower hose thing though/
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Old 12-30-2011, 07:29 AM   #6
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Replaced mine with a Moen Positemp and set it to slightly hotter then what I would normally have it set to. That way I can just open it fully every time and have the same temp, no adjusting. Also when stopping the water at the shower head during a shower, the water would always be cold when I opened it back up. With the positemp, I just turn the handle off and on, instant hot water then each time, don't have to wait for the water to get hot again.
Jerry & Patsy Potter, Taz & Jake Jr.
2000 Winnebago Journey
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Old 12-30-2011, 08:10 AM   #7
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My Adventurer came with "cheap" valves that I could never get regulated in the shower. I would either get a cold shower or scalded so I replaced the valve with a Moen from Lowes. Works great.
2003 Winne Adventurer, Ford F53 V-10. Toad:1992 S-10, Road Master Falcon 2 Tow bar, Blue Ox Patriot brake system and Protect-a-Tow. Right is right even if no one is doing it; Wrong is wrong even if everyone is doing it--St Augustine of Hippo. Navy (ret).
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Old 01-01-2012, 12:30 AM   #8
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I'm getting readyh to put a grohe 34 182 thermostatic shower valve in my motorhome. It is an out side the wall valve that you set the temperature to and it maintains that pressure. It should take care of the temperature changes when somebody uses the sink when someone is in the shower-- I hope. I'll let you know.
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Old 01-01-2012, 07:37 AM   #9
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Replaced mine with a MOEN L 82691 from Lowes. Easy to do and takes about 20 minutes. NOTE: I had a mirror on the back wall that gave me clean access to the valve.
L82691 chrome $79.00
L82691 brushed nickle $ 120.
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