Re: cold blast while showering...
Posted by Terry Love on November 20, 1998 at 20:03:53:
In response to Re: cold blast while showering...

: Whenever I am taking a shower and someone else in the house turns on the hot water at another location... I get a wake up call

What has worked in my home, is to provide an expansion tank at the cold water inlet to the water heater. I would be thinking a ST-12 from Amtrol, a 4.4 gal expansion tank that can help buffer the ups and downs of the pressure.
You can, in addition, change the 1/2" pipe to 3/4" as far as you can go, however, I would try the expansion tank first. Let me know if it works.

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