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Old 02-21-2016, 08:07 PM   #21
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Resolve, a trip to the local hardware. Sharkbite fittings, reverse the lines.. works like a champ. This way I didn't have to buy crimping tool and all that. Teflon tape of course is a must. Now I need to go to the chiropractor :-/
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Old 02-24-2016, 01:56 PM   #22
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Just as a curosity: How can a pressured supply line be contaminated by a non-pressurised vented line ?. I've heard of firetrucks being able to pull water backwards as a reason in homes, but I can't think of any other reason..... Thanks in advanced for the education.
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Old 02-24-2016, 04:00 PM   #23
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A loss of pressure in the supply can have a siphoning effect on non-checked outlets and draw in fouled water mud, etc. hence boil water after drop or loss in your city or county systems. Code requires all water meters to have a back flow preventer installed.

I am a retired lead maintenance mechanic at a large hospital system in Atlanta. Believe me if those back flow preventers failed annual inspection they can lockout the city water supply for the entire hospital. We had bypasses with bf preventers on every water meter!
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Old 05-30-2016, 02:02 PM   #24
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I took the screen out of mine and all I see is a 1/4" hole no valve? Or are you saying the black plastic peace is the only valve?
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Old 05-30-2016, 02:08 PM   #25
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Thanks for the quick response. . I did find it.. my guess is, the lines are reversed. Wonder does it have to be on that upward position to work..

Thanks for taking the time and send a picture.
Guess? Connection on the bottom is from water flush hose connection
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Old 05-31-2016, 01:18 PM   #26
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If you look back at my pictures you see the valve. Its under the bathroom sink inside the coach. It has an arrow on it showing direction of flow. The line in is the lower pex as shown. It comes from city hookup where I'm guessing that's where you pulled the screen out?? Not sure I understand what your asking..
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Old 05-31-2016, 01:45 PM   #27
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I was asking the location of the 1 way valve. Now I know it is in the piece under the sink. My other question was the opening inside of the black tank flush connection looks awfully small. about a 1/4"
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Old 05-31-2016, 03:14 PM   #28
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It works good when installed properly
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Old 05-31-2016, 04:06 PM   #29
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It works good when installed properly
??
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Old 05-31-2016, 07:30 PM   #30
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??

I think he meant "piped properly. As to the 1/4" opening in the nozzle' that's really too large. The design through is to cause a large pressure drop from the restriction and thus cause the water to become "jets".
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