Tapping Into Galvanized Water Main
 
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Old 09-05-2008, 01:30 PM   #1
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Tapping Into Galvanized Water Main

Here is my situation. I am installing a automatic sprinkler system in a older home that has a Galvanized Water Main. I will be tapping into the Water Main just outside the home, and T-ing off to the Sprinkler System. My question is, am I better off to cut the Main, then re-thread both ends and install a Union into the mix, or can I get away with using a Compression T and going from there? I have not had much luck using Compression fittings in the past and the Water Main is down about 6 feet. Hence, I really don’t want to have to dig it up, if the T doesn’t hold.

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Old 09-06-2008, 07:33 AM   #2
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Re: Tapping Into Galvanized Water Main

In the fire sprinkler trade they use a "mechanical tee". A diamond shaped "biscuit" is cut from the pipe and a saddle tee place over the hole and held in place with U bolts.
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Old 09-06-2008, 05:44 PM   #3
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Re: Tapping Into Galvanized Water Main

Double post.

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