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09-09-2017, 03:49 PM
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#1
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Junior Member
Outdoors RV Owners Club
Join Date: Apr 2016
Posts: 8
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Creekside 20FQ - Shower Water Issue
While taking a shower, using the city hookup, you reach up and push the button on the shower head to momentarily shut off the flow of water. After a few seconds, the dripping from the head becomes only cold water and when the button is pushed again to start the flow of water, it is cold for a few more seconds until the hot remixes. This only happens on city hookup. When on pump, the temperature of the water remains constant as set prior to taking the shower.
After talking to Kevin at ORV, we determined that the cause is the amount of pressure difference between cold and hot. With the city source, the cold feed comes right near the city hookup and the hot source comes from the water heater on the opposite side of RV. Thus, the cold pressure overpowers the hot when the shower head is temporarily shut off. On pump, the pressure is more equalized and the cold comes from a greater distance just like the hot.
Now. How can this be fixed?
1. Maybe add a 10' loop of water line between the tee of the main line and the feed to the shower?
2. Add a 30 - 40 psi pressure regulator between the tee of the main line and the feed to the shower?
I was told that I was the only one that has brought this up. I would expect that all 20FQ's are plumbed the same. I would appreciate some opinions on this issue.
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09-09-2017, 05:40 PM
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#2
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Senior Member
Outdoors RV Owners Club
Join Date: Dec 2014
Location: Ontario Canada
Posts: 1,940
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Same thing in our 240RKS, but haven't noticed the diff between pump and city.
We do love the shower but just use the 2 handles to turn the water off and on.
Taking a "Navy" shower, I quickly figure where to rotate each handle to get the right temperatures.
Even with eyes full of soap ...
But if somebody can come up with a simple solution ... like perhaps a different shower head? I'm all ears.
__________________
2014 Timber Ridge 240RKS, 70K miles
690W Rooftop + 340W Portable Solar, 215Ah GC2s@24V
2016 Ram 2500 CTD 4x4 RegCab SLT, 10-11 mpgUS tow
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09-09-2017, 05:54 PM
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#3
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Senior Member
Outdoors RV Owners Club
Join Date: Dec 2014
Location: Nowhere, now here. Freedom!
Posts: 4,602
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There is a somewhat scientific explanation for this. It's been discussed on IRV2. I got around this by buying a shut off valve at the shower head that turns off the flow completely, and then when I turn the water back on with that valve, I get less than a second of *cooler* water, not cold. If you really want to go whole hog on preventing this, there are one way valves that need to be installed too that are supposed to prevent the *cold* water shot.
__________________
ORV 19B Full Timer from '15 to '20, '14 Ram 2500 Diesel and a GSD. Vancouver, WA
de K7NOL 146.52Mhz Safety? (CLICK ME!)
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09-09-2017, 06:50 PM
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#4
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Member
Join Date: Jan 2017
Posts: 32
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I have a 20fq and have noted the same behavior difference between city and pump in the shower.
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09-09-2017, 08:57 PM
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#5
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Member
Join Date: May 2015
Location: southeast idaho
Posts: 68
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Do you use a pressure regulator/limiter on the supply into the trailer? My set up is pressure regulator into filter into hose then into trailer. Don't seem to get the cold shots. Not sure what pressure the 12v pumps are set for but think line pressures are much higher.
Also check that you hot tanks bypass vales are fully open -had one shop not fully open bypasses after dewinterizing.
__________________
2011 Windriver 230RKS just acquired
Chevy Silverado 1500 2012
Me & Wife & One Mud Finding Yellow Lab!
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09-09-2017, 10:08 PM
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#6
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Senior Member
Join Date: Jul 2017
Posts: 2,582
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If there's room you could install either a residential pressure balance shower valve or a thermostatic shower valve. Each operates a little different but has the same results.
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09-09-2017, 10:28 PM
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#7
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Senior Member
Join Date: Nov 2015
Posts: 26,689
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Just turn shower head towards shower wall when you turn it back on......
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I took my Medication today. HAVE YOU?
Dodge 3500 w/Tractor Motor
US NAVY---USS Decatur DDG-31
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09-09-2017, 11:49 PM
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#8
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Senior Member
Outdoors RV Owners Club
Join Date: Oct 2003
Location: Hillsboro, OR, USA
Posts: 1,293
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I had this problem with my 05 arctic fox - someone on their web board suggested it was due to the check valve on the outlet of the hot water heater. As this was the first rig I had owned with the check valve system and also the first rig that had the cold shower problem it made sense.
As for showering using the pump - I don't remember doing that in the AF and have not done it in my ORV.
__________________
2017 Chevy 2500HD LTZ DuraMax Diesel Silver Ice Metallic
2017 Outdoors RV Timber Ridge 25RDS Mountain Series 4X Off Road Suspension Pkg
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09-10-2017, 06:44 AM
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#9
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Senior Member
Outdoors RV Owners Club
Join Date: Dec 2014
Location: Ontario Canada
Posts: 1,940
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Perhaps being able to turn off the flow with a single handle at the valve itself, rather than at the shower head, would solve the problem?
Something like this on Amazon: Dura-Faucet-DF-SA150-SN-Single-Diverter
Not a pressure-balancer, but ... ?
Main complaint seems to be that the handle is too easily moved.
__________________
2014 Timber Ridge 240RKS, 70K miles
690W Rooftop + 340W Portable Solar, 215Ah GC2s@24V
2016 Ram 2500 CTD 4x4 RegCab SLT, 10-11 mpgUS tow
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09-10-2017, 07:39 AM
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#10
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Junior Member
Outdoors RV Owners Club
Join Date: Apr 2016
Posts: 8
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Quote:
Originally Posted by 60sumtin
If there's room you could install either a residential pressure balance shower valve or a thermostatic shower valve. Each operates a little different but has the same results.
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I will check out those valves.
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09-10-2017, 07:41 AM
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#11
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Junior Member
Outdoors RV Owners Club
Join Date: Apr 2016
Posts: 8
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Quote:
Originally Posted by TrollMeister
Do you use a pressure regulator/limiter on the supply into the trailer? My set up is pressure regulator into filter into hose then into trailer. Don't seem to get the cold shots. Not sure what pressure the 12v pumps are set for but think line pressures are much higher.
Also check that you hot tanks bypass vales are fully open -had one shop not fully open bypasses after dewinterizing.
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I use a pressure regulator and the bypass valves are in the correct position. Thanks.
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09-10-2017, 07:51 AM
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#12
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Junior Member
Outdoors RV Owners Club
Join Date: Apr 2016
Posts: 8
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Quote:
Originally Posted by 1bigmess
There is a somewhat scientific explanation for this. It's been discussed on IRV2. I got around this by buying a shut off valve at the shower head that turns off the flow completely, and then when I turn the water back on with that valve, I get less than a second of *cooler* water, not cold. If you really want to go whole hog on preventing this, there are one way valves that need to be installed too that are supposed to prevent the *cold* water shot.
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I will continue searching for the earlier discussion. Thanks
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09-10-2017, 09:10 PM
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#13
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Member
Join Date: Mar 2013
Posts: 93
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Quote:
Originally Posted by Old-Biscuit
Just turn shower head towards shower wall when you turn it back on......
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09-10-2017, 10:23 PM
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#14
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Member
Outdoors RV Owners Club
Join Date: Aug 2017
Location: Torrance, Ca
Posts: 53
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I have the same problem with my 240RKSB. As suggested I just turn the head towards the wall when turning water back on.
__________________
2016 240RKSB
2015 CC SB 2500HD DURAMAX 4X4
1 NAGGER 2 BOXERS
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