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Old 08-25-2015, 09:28 AM   #1
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Def. Press. Rergulator ?

Hooking up city water makes water come out of the shower head even with both knobs off ! Checking the plumbing I discovered a valve marked "Hydrodynamics Engineering" that is "Teed" into the incoming water line to the cold water line to the shower . The other side of the valve is "Teed" into the line going to the shower head from the hot/cold controls . Is this valve supposed to allow extreme high pressure city water to vent into the lavatory ? I would like to replace the valve but cannot remove it. Do I really need it or can I just block it off ?
2005 16' Bambi
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Old 08-25-2015, 10:42 AM   #2
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I am not familiar with that valve. High pressure, as far as I know, is not a good idea. You can buy a pressure regulator that screws on to your city water feed hose for about $15. Pressure should be below 75 psi.
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Old 08-25-2015, 10:55 AM   #3
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I am not familiar with that valve. High pressure, as far as I know, is not a good idea. You can buy a pressure regulator that screws on to your city water feed hose for about $15. Pressure should be below 75 psi.
I thought all of the later model Airstreams had a built in water regulator?
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Old 09-11-2015, 08:37 PM   #4
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Thanks for the advice . The problem was that the pressure regulator is plumbed to release excess pressure into the shower head in the "wet" bathroom and down the drain into the grey/black water tank . Seems like a strange design but there are many such puzzles on the 16' Bambi !
The pressure regulator was blown and allowed any water at any pressure to go directly into the shower head . I simply removed the regulator and capped the 2 ends of the pipe . Perhaps I will invest in one of those regulators that goes onto the incoming water hose spiggot .
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Old 09-11-2015, 08:53 PM   #5
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I thought all of the later model Airstreams had a built in water regulator?
Airstream has used water regulators, to my knowledge, since the early 60's coaches.

Andy
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Old 09-12-2015, 10:33 AM   #6
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Sounds weird, no idea why your 2005 would be leaking in the shower. If it were us, we'd get professional help (we're not particularly handy).

As Andy noted, our 2014 AS has a pressure regulator inline. We still add a Valterra Stainless Steel high volume pressure regulator at the faucet, but only to protect our external hose and external filter. (We don't install the filter under the kitchen sink because it seems this would only filter cold water at that one spot. Instead, we filter all water that enters the trailer in hopes of keeping sediment, etc., out of our plumbing.)

So, we're overdoing it a bit, but at least we have a nifty rationale.
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Old 09-12-2015, 01:28 PM   #7
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Sounds weird, no idea why your 2005 would be leaking in the shower. If it were us, we'd get professional help (we're not particularly handy).

As Andy noted, our 2014 AS has a pressure regulator inline. We still add a Valterra Stainless Steel high volume pressure regulator at the faucet, but only to protect our external hose and external filter. (We don't install the filter under the kitchen sink because it seems this would only filter cold water at that one spot. Instead, we filter all water that enters the trailer in hopes of keeping sediment, etc., out of our plumbing.)

So, we're overdoing it a bit, but at least we have a nifty rationale.
Good RV shower heads, are designed to leak when you shut them off at the head.

Why?

So that you don't forget to shut the water off.

That dripping stops when you shut the shower facet off.

Andy
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Old 09-13-2015, 08:46 PM   #8
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I noticed that feature on my shower head ! When the shower is on , nothing leaks but when you turn it off , the water in the flex hose drains back to where it is connected to the taps. This drains out on the floor and down the drain . No problem .
I thought this feature was to avoid having the flex hose remain full of water after use ?
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