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Gordon07 12-01-2009 02:46 PM

Decreased Water Pressure in home
How do I trouble shoot the source of decreased water pressure in my home?

My neighbors water pressure is just fine. The city checked my water meter and connection and it is just fine.

Water pressure on my three outdoor hose faucets is fine. All the indoor faucets have had decreasing water pressure for weeks. The last few days I can hardly get any pressure at any tap, however downstairs (ranch) pressure is slightly better than main floor. Showering is a mere trickle.

Last plumbing work was the installation of a water heater in Dec. 2008. Home is 12 years old with copper pipes. Trouble started after being out of town for two weeks. I'd rather not hire a plumber.

I also have a water softener.

Gordon07 12-01-2009 02:54 PM

I also have a water softener.

jogr 12-01-2009 04:13 PM

First check and clean all your faucet strainers.

If that doesn't fix it then you likely have a blockage in your water softener (my assumption is that your exterior faucets are fed before the water softener but all the faucets in the house are fed after the water softener). Most water softeners have a bypass valve. Try using that to bypass the ws. If pressure is back to normal the you know it's the ws.

The water softener may have a screen that is plugged or it may be the whole resin bed is plugged.

Gordon07 12-02-2009 11:19 AM

Thank you. I activated the bypass valve on the ws and the pressure to all faucets has returned to normal this morning.

I've never taken apart a water softener. I'll remove the water connection and look for a screen to clean, this evening. Where is the resin bed?

jogr 12-03-2009 11:05 AM

The resin bed is usually in a long cylinder a few inches in diameter. On some older models it sits next to the salt conatiner on most newer models it is within the salt container. If the resin bed is plugged it probably needs to be replaced (and it might be cost effective to replace the entire water softener).

Hopefully you'll just find a plugged screen.

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