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Author:
Flipstrolly (CO)
Recently my downstairs shower has slowly lost pressure over time during each shower. The shower will start out with normal pressure but after about 10 minutes it has significantly decreased. This happens every time I shower. The pressure in the rest of the house is still good. I have a shower upstairs that does not have any pressure issues. I have noticed that if I keep the shower on cold water only, it does not lose pressure. I recently had a plumber replace the shower cartridge and this problem began about a month after that installation. I tried cleaning the shower head and that did not fix my problem. Does anybody have any ideas on a fix?
Thanks!
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Author:
packy (MA)
changing the new shower cartridge is the logical place to start.
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Author:
Wheelchair (IL)
I agree, its not the showerhead. The balancing cartridge must be removed and the housing examined for mineral build up. The cartridge should also be replaced or soaked in white vinegar to remove debris.
Best Wishes
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Author:
Meridian West (GA)
Be sure it's not one of those anti-scald showerheads that reduce flow when they sense too-hot water. You might can test by running the shower cold. If the flow is okay, set for hot and observe if the volume drops to nearly zero. Some of the pro's here can advise better.
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Author:
Flipstrolly (CO)
Turns out it was the shower head. Replacing the cartridge had no effect. Inspecting the shower head did not show that there was a problem, everything looked clean and it was only bought about 6 months ago. But it was a very cheap shower head with plastic parts which must have gotten warped. After replacing it with a new head that has all brass parts, the flow has returned to normal.
Edited 1 times.
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Author:
ktk74 (NJ)
Probably an over soft flow compensator in the showerhead. Just a rubber disc or o-ring. As the water heats up, it starts to deflect too much & starts sealing off more of the water supply than it should.
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