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Low water pressure

The whloe house has low hot water pressure. Even the first spiket (standart old fashion)is low pressure. Should the white things in the inlet and exit holes that can be seen looking down in the holes in the top of the tank be removed?

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  • Water Heaters Master
  • 5,089 Answers

1) Copy following link for troubleshoot walk-thru:
http://waterheatertimer.org/Low-hot-water-pressure.html

2) Yes. Remove the heat-trap inserts from water heater.

3) Add comment and say where you are so far.

Posted on Dec 30, 2012

6 Suggested Answers

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Posted on Jan 02, 2017

  • 104 Answers

SOURCE: low hot water pressure

are you on city or well supply for water?

Posted on Nov 11, 2008

  • 70 Answers

SOURCE: Very Hot water coming out of overflow pipe

Is your boiler heating your domestic hot water if so i would turn water off to water maker and see if your boiler pressure stays down below 20 psi. If so water maker is bad. The other thing that could cause this problem would be the boiler pump is out.

Posted on Jan 23, 2009

gary1121
  • 332 Answers

SOURCE: Vaillant Mag 325 warm water only full pres. cold low pressure

you need a certain amount of water pressure for the water heater to turn on this is actaully one of the biggest problems that all manifactures forgot to tell anyone it is normal for the computer to shut down beings it is designed to heat water at a fast rate when you turn the water down, it's not enough pressure for for sensors to turn on to heat the water so turn on the spigot a little more and enjoy

Posted on Jun 09, 2009

  • 4 Answers

SOURCE: low pressure on hot water taps and showers

Many states building codes require a pressure regulator and expansion tank for hot water heater installation. Check the pressure regulator if you have one as this would only affect the hot water pressure. Adjust or replace. Rap the expansion tank like knocking hard on a door. Hollow sound is good. Dull thud means it needs to be replaced as it is filled with water.

Posted on Jun 24, 2009

  • 35 Answers

SOURCE: I have a thermostat mixer shower but hot water has

The thermostatic mixing spool cartridge may be worn out. The low water pressure may indicate sediment in the cartridge as well. This can be easily removed by hand tools

Posted on Feb 19, 2010

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1 Answer

How can I increase the hot water pressure in my home?


Cold water pressure is what give you your hot water pressure so they should be equal but if you have a restriction on the hot side such as a valve not opening on the hot side or not opening all the way then you will have less pressure or the pipe work on the hot side is not proper. Hard to say but check the valve on top of the hot water heater

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Copy following link:
http://waterheatertimer.org/Low-hot-water-pressure.html
If one area of house is affected, then clog is usually at elbow or connection point.
Remove water shut-offs, and use compressed air to see if clog can be jostled loose.

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Rheem powervent 42vp40f does not provide water to all faucets


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1) Copy following links for Intellivent gas control service manual, low hot water pressure, and crossover:
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#intellivent
http://waterheatertimer.org/Low-hot-water-pressure.html
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1) Copy following link for detailed troubleshoot walk-thru:
http://waterheatertimer.org/Low-hot-water-pressure.html

2) Today's new water heaters come with heat traps or heat trap inserts, so manufacturer can claim higher energy savings. But these things restrict water flow and clog, and reduce pressure, and whistle, and generally cause problems for some installations.
http://waterheatertimer.org/images/Bradford-white-Heat-Traps-2.jpg

3) Add comment and say what you discover.

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Probably a clog in galvanized pipe.
Expansion tank is not whole-house pressure regulating tank. It is localized protection for plumbing exposed to high pressure caused by very hot water.
If you house has pressure regulating valve, then that can be a cause.
For low water pressure in household, the following link might help:
http://waterheatertimer.org/Low-hot-water-pressure.html

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