05:09PM | 09/05/06
Member Since: 09/04/06
2 lifetime posts
Complete new plumbing in mobile home. Pressure to water heater, toilet and washing machine is super. Pressure to fsucets - bathroom tub and sink, and kitchen is good for 10 seconds, then water hammer, then pressure loss only in those faucets. All lines unhooked, cleared, and hooked up again. All faucets without clogs. 3/4 line at entrance, then to 1/2 throughout. HELP!!!!!


04:45PM | 09/06/06
Member Since: 01/24/06
1626 lifetime posts
Me office1
New system? Check for a possible valve not fully opened of a washer loose if you used globe valves.

A loose washer will make a water hammering sound and a valve ,even a gate or ball valve not fully open can have this kind of effect.


04:49PM | 09/07/06
Member Since: 09/04/06
2 lifetime posts
Thanks for the suggestion, Tieger, but I think I found the problem. Some flexible connectors are not open all the way - there is some constriction which prevents "catastrophic failure". Turns out sediment clogged the line. When the water was off, then sediment loosened up, and fell away. When the water was turned on again, the sediment clogged the line suddenly, hence the water hammer. Claning out faucet valves did nothing. New connectors - open all the way - allow sediment to flow through the faucet, eventually clearing itself out. All's well now.
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