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Author:
LouSieber (TX)
There's been a problem with very low water pressure in the house for quite some time now. The funny thing is, it's only on the hot water side and only the master bath (tub) faucet. Other than that it's fine throughout the rest of the house. Even more puzzling is the fact that it got even worse, down to not much more than a trickle, after installing a new hot water heater. The obvious question being, what's causing this and, more to the point, how the heck do I retify the problem?
Thanks, Lou
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Author:
packy (MA)
first thing to do is ..
turn off hot water
remove the hot handle
remove the stem/cartridge
cover the opening with a small bucket.
turn hot water on briefly to see if any debris comes out.
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Author:
srloren (CA)
to continue with what Packy says... if the water does not come out full stream, take a wire and clear out the large chunks of minerals from the old water heater that is probably cloging that opening. If the problem persists after you re-install the stem, replace the stem assembly if it can't be cleaned of debris.
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Author:
LouSieber (TX)
Thanks guys, I appreciate it. Only thing is that it's one of those one handle jobs in the shower, so there's no way to turn the hot water, like under a sink.... Thanks again, Lou
Edited 1 times.
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Author:
KCRoto (MO)
Hot water loss in a single handle shower valve is a different beast. You should pull out the cartridge with the main water off in the house, then turn it on briefly to flush out any debris. Depending on the cartridge, you may actually see pieces of debris in the little water inlets of the cartridge itself. What brand is the faucet? You may need to replace the cartridge, as most cartridges in the last 20 years have pressure balancing components that can alter water flow.
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Author:
LouSieber (TX)
Thanks KCR. I wish I could say what brand it is, but there's nothing on the cover plate. Fwiw, it was changed out roughly 10yrs ago, if that's any help as far as materials & general standards go. Regardless, I now know more now than I did a couple of days ago......Lou
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