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    bigbear1's Avatar
    bigbear1 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Oct 10, 2008, 06:27 PM
    Proper way to install copper pipe through basement wall
    I am putting a new water supply line in the older home we just purchased. There was a 3/4" galvanized pipe running from the city main to the water meter in the basement. I am replacing the galvanized pipe with 1" copper tubing. The galvanized pipe had rusted and holes in it where it went through the basement wall. What should I put around the copper pipe to protect it? What is code?
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #2

    Oct 10, 2008, 06:42 PM
    If you're going to increase to one inch then bore a 1 1/2" hole through the cement wall and sleeve the hole with a piece of 1 1/4" PVC. That's what we do. Good luck, Tom
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
    Uber Member
    		  
    #3

    Oct 10, 2008, 07:03 PM

    Generally penetrations should be sleaved. Cut a piece of PVC pipe where the 1" pipe will pass through.

    Use cement and caulk for the PVC. Try to rent a core drill.

    Diameters you can figure out. Use schedule 40 tables for the PVC and 1" tubing tables for the "copper pipe" . It's really tubing.

    If you need more help, holler.
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