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Old 12-06-2014, 06:19 AM   #21
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Are you using the original shower head or have you changed out to high efficient type that provides more power using less water.....
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Old 12-06-2014, 07:20 AM   #22
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I think, and that gets me in to trouble, The temp is 125 that it comes with. Increase the temp like OC said to 140 degree. Just make sure you don't scald yourself, If you have guest or kids WARN them of the hot water. It's just 1 screw that it mounds to, make sure it makes good contact to the tank wall. It's just a click on disk that they use. Nothing inside the tank. !0 minute job and that's with taking a sip of beer.
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Old 12-06-2014, 10:17 PM   #23
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A little on the hot water staying hot long enough, but when I take a navy shower, when turning the water back to wrench it is really cold for a little bit then gets Hot. Seems like I'm wasting water waiting for it to get hot. Is this normal and do others out there have the same problem? Would a check valve in the hot water do the job.
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Old 12-06-2014, 10:26 PM   #24
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Originally Posted by techntrek View Post
First, never open the pressure release valve to remove any air. Safe operation requires the small pocket that will remain after the tank is full of water. Modern code requirements for homes include an air bladder to be installed just above the water heater, and the air pocket in RV WHs has the same function (expansion).

Operating with a 6 gallon tank, you will never get an uninterrupted shower like at home. I've had 3 campers with that size tank and you must take Navy showers or you'll run out like you describe. If you aren't taking Navy showers, that is your problem.
Being an Air Force guy and living in nice dormitories with showers and unlimited hot water,I have to ask what is a "Navy Shower"?
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Old 12-07-2014, 07:41 AM   #25
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Being an Air Force guy and living in nice dormitories with showers and unlimited hot water,I have to ask what is a "Navy Shower"?
Getting wet and turning off the water lather up and then turning it back on to rinse off.....
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Old 12-07-2014, 12:00 PM   #26
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Old 12-07-2014, 09:00 PM   #27
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A little on the hot water staying hot long enough, but when I take a navy shower, when turning the water back to wrench it is really cold for a little bit then gets Hot. Seems like I'm wasting water waiting for it to get hot. Is this normal and do others out there have the same problem? Would a check valve in the hot water do the job.
Not sure what happened with my last post... take 2.

I've found the same with all of the quick-cutoff valves on the shower head - they seem to let the cold flow but not the hot, so when you turn them back on it is COLD. I just went back to using the main knobs.
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Old 12-07-2014, 09:16 PM   #28
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I've had the opposite happen...comes back on extreme hot!!!!...then settles back to where it had originally been set....just had to have a good exit plan when I turned the head back on each time.
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Old 12-07-2014, 09:34 PM   #29
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When you're showering, the hot and cold water mix together at the point where the shower hose starts. Shutting off the flow anywhere in the shower hose still allows the hot and cold water to be "connected." Since there is usually a larger pressure drop associated with either the hot or the cold (they'll never be exact), whichever one has the lower pressure drop (i.e., will have the highest pressure at the faucet) will "overcome" the other and push some of its water backwards into the other line at the faucet. Then when you turn the shower back on at the hose, you get a blast of whichever one pushed back into the other.

Since the hot water has to go thru the water heater, and there's at least two valves (winterizing) and some extra hose that creates additional pressure drops that the cold line doesn't have, I suspect that the lower pressure drop for most of us is the cold line, thus its higher pressure pushes some cold water into the hot line, and we get a blast of cold when we re-open the valve in the shower hose.
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Old 12-08-2014, 08:52 AM   #30
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I've had the opposite happen...comes back on extreme hot!!!!...then settles back to where it had originally been set....just had to have a good exit plan when I turned the head back on each time.
x's 2 that is my problem when I use the shut off button on the head.
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