pipe removal from concrete wall


  #1  
Old 05-03-17, 10:39 AM
D
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pipe removal from concrete wall

I need to replace a leaky outdoor faucet with a freeze-less one. There is 3/4" galvanized pipe coming out of the 8" concrete wall. I was able to remove the faucet and cut the adjoining galvanized pipe on the inside, but removing the pipe is a problem. I think it is the original pipe from when the house was built 70 years ago. I've tried to chisel around it, on the inside and outside, and there is no caulk or foam around it. It appears the concrete was poured while the pipe was in place. It is tighter than tight. Any suggestions as to how to remove it?

Thank you.

Dave
 
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Old 05-03-17, 10:47 AM
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Welcome to the forums Dave!

You should be able to alternate between twisting it with a pipe wrench or vise grips and hitting it with a hammer to remove it. Is the frost proof spigot the same diameter? will there be any issues installing it thru the wall?
 
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Old 05-03-17, 11:01 AM
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Your pipe nipple was likely mortared in place. You'll just have to chisel it out. I use a hammer drill with a 1/4" bit and drill a series of holes around the pipe then beat the pipe out with a hammer. Then I use a chisel or chisel bit in a rotary hammer to smooth out and enlarge the hole. Usually a frost proof sillcock is larger diameter than just a pipe so the hole needs to be enlarged.
 
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Old 05-03-17, 01:05 PM
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Thanks, I'll try hammering and twisting. The new spigot is smaller so once I get the pipe out it should fit with room to spare. I will slant it slightly to the outside.
 
 

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