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milehigh_woodcrafter · 04-05-2006, 07:08 PM

the last post is highly educational and correct. but on the side, it might seem like an annoyance and it might be just that. However Let me see if I can find pics of what happened to me.

Same thing old house, noise, opened wall for a peak, mold everywhere. mold seems to like damp, cool, dark places, like inside a shower wall. It went everywhere. I ended up tearing all of the walls from the room and others and rebuilding. nip it in the scrotum if you have to.

milehigh_woodcrafter · 04-05-2006, 07:37 PM

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this was just the beginning, i'll throw together some resized pics for all to see the importance soon. cheers! wtf, comments apply to following pic.

milehigh_woodcrafter · 04-05-2006, 07:40 PM

bjd6 · 12-13-2010, 03:47 PM

Quote:

Originally Posted by glennjanie

Knocking pipes are caused by rushing water being stopped suddenly; for instance a solenoid on your automatic washer suddenly closes, bang! Anything that shuts off quickly will cause "water hammer". To cure the problem there needs to be a tee near the sudden cut-off site with a pipe standing vertical for at least a foot and capped off. When this is installed properly there will be air trapped in the vertical pipe which will compress upon cut-off, thus easing the hammering effect. There are also water hammer arrestors manufactured specifically for this problem but the vertical pipe is the less expensive way to go.

I just drained my system and refilled the pipes. Problem solved!!

Redwood · 12-14-2010, 11:21 AM

The pipe with just an air chamber is a short lived fix.
The air in the chamber is rapidly absorbed into the water.

Hammer arrestors are the best way to go they have a piston that travels back and forth in the tube preventing the air from mixing with the water.