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Old 09-09-2008, 03:32 PM   #1
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Low pressure at shower


Ok my problem started about 3 weeks agoe. My water pressure (both hot and cold) keeps getting lower and lower aver couple of days. What could the problem be? I have watched alot of DIY shows and believe that it could be the mixing valve. Please help it is annoying me. Oh yea the low pressure is from both the spiggot and the shower head.

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Old 09-09-2008, 07:38 PM   #2
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Low pressure at shower


What brand is the faucet? Sounds like you may need a new cartridge.

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Old 09-09-2008, 08:55 PM   #3
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Low pressure at shower


To be honest I have no idea it says Sterling on the thing to put the drain up and down but nothing on the faucet. It is a pretty old faucet 16 years old or older. I know the three basics of plumbing hots on the left colds on the right and $H!T flows downhill. I always thought the sterling meant fake sterling silver. Oh and I don't know if this helps but we have a well. And the pressure is the same as always everywhere in the house (pluming only on first floor). The hot has always been fairly low in pressure I guess due to the type of furnace we have my brother said that the boiler will only hold 30 PSI. He went to Vo-Tech for HVAC-R.

Last edited by Pudge565; 09-09-2008 at 08:59 PM.
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Old 09-10-2008, 10:14 AM   #4
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Low pressure at shower


You will probably need to disassemble the handle(s) and see if there is calcium deposits building up inside the mixing valve. As Mike said, you may have a cartridge (especially if it is single handle) and the "O" rings can go bad and block waterflow. Sterling is a lower priced brand sold at many hardware stores. Years ago I installed a new one due to the cusomer purchasing it. I had to take it apart before I could get any water to flow, right out of the box.
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Old 09-10-2008, 03:25 PM   #5
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Low pressure at shower


Ok thank you all I will check all these things if I have a cartrige what would it look like?
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Old 09-27-2008, 08:03 PM   #6
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Low pressure at shower


Ok I have a new symptom. All of a sudden my pressure is back to mormal and has been so for the last week now. What could cause all of this?
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Old 09-28-2008, 05:52 AM   #7
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Low pressure at shower


I am not a plumber but seeing you live in PA. also and have a well I would say your getting sediment build up in your pipe.The renewed pressure is from some of it breaking lose and being flushed out.I get it like that also and the shower is the first place I see it start at don't know why their but it happens.If you have a softener you might try running a back flush.I don't so about once a year I take the pipes lose from the supplies and from the main and push some air through them to knox it lose,cant wait till they finish this new line and I can hook to city water

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