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  1. #1
    Join Date
    Jan 2009

    Question Step down, then step up copper pipe siz

    The water feed pipe coming into my house is 1" and my hot water tank connection is 1". One inch pipe continues through my house as a main trunk line. I am installing a water softener and the water connections are 3/4". Is it ok to step down the pipe size to 3/4" to match the In side of the water softener and then step the pipe size back up to 1" on the Out side of the water softener? Will I loose water pressure or GPM?
    Last edited by gh9253; 01-25-2009 at 02:39 PM.

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