water pressure


Old 04-23-03, 10:20 AM
Da Vinci
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Cool water pressure

My hot water pressure seems okay everywhere except in the shower/tub. Could this be the result of the way the pipes are configured. The hot water line to the shower/tub comes directly from a tee joint where the water from the left and right pass straight while the water to the shower/tub shoots straight up. Would water pressure improve if I removed the tee and instead placed a 90% elbow in its place. If this is the case it would certainly reduce my project time.
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Old 04-23-03, 10:58 AM
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Your problem is most likely in the faucet itself.
What brand and what type?
Old 04-23-03, 08:15 PM
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The water doesn't "know" that it is going through a tee as compared to an elbow... In fact, the friction loss (which is miniscule) is probably very slightly less through a tee, than through an elbow... What kind of pipes do you have? If they are galvanized, it may be time to do some pipe replacement... If not, then you need to turn the water off to the house and check the stem out at the valve in question... Get back to us with more info...
Old 04-24-03, 11:07 AM
Da Vinci
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water pressure

Thanks for your advice. I suspected that the faucet might be the cause. But the water line to the shower/tub are so hard to get to that I wanted a shortcut. I just replaced the 1/2 copper line underneath the house with 1/2 cvp (that was easy I have a basement) from the water heater through out except for a 4ft section of 3/4 copper directly from the water heater. Also I stopped short of replacing the copper lines that lead straight up to the shower/tub, bathroom sink and the kitchen sink. I do not relish the project of replacing the lines inside the wall and behind a one piece shower/tub combo. Years ago those same lines were connected to a well system. And I suspected the lines were corroded partially plugged. Well thanks again. The water pressure is not unliveable with but I just thought the improvement would be nice.
Old 04-24-03, 11:29 AM
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There is no need to replace copper with CPVC, copper may even an even lower friction loss then CPVC. You only replace Galvanized pipe with copper or CPVC.
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