07-10-2009, 02:23 PM
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Deity
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Join Date: Jul 2004
Location: Saint Regis Falls, NY, USA.
Posts: 5,307
Thanks: 0
Thanked 148 Times in 143 Posts
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the darker pipe is copper but has developed an oxide coating on it. it is probably 3/4 inch and tees off to the outside faucet.
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