Need a special pipe wrench

bcarlson78248April 20, 2014

I have a short cast iron pipe (2.0" outside diameter) that i want to unscrew from a fitting that is inset in the wall. I have good access directly through a 12x8 access hole, but not enough clearance to fit a normal pipe wrench.

The pipe is too close to the wall behind it to get the jaw of the wrench in behind the pipe if you reach straight in, and the access opening is too small to allow the wrench to turn once I get the jaws on from any other angle.

I need a pipe wrench where the jaws are parallel to the handle, so I could reach in like you would with regular pliers and get a grip on the pipe. I've found some places online that sell offset pipe wrenches, but they are very high priced ($80-$165) and don't seem to be sold in the local stores. Anyone have a suggestion for a brick and mortar store in the DC metro area that carries them?



This post was edited by bcarlson78248 on Sun, Apr 20, 14 at 22:20

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Try the 'under-sink' wrench, with swivel action at the jaws; can't remember what it's called, but i picked up two of them
(different jaw sizes) at our local Cloverdale Flea Market for $10.
Removed EGR piping in my Rav4in a very tight place.

    Bookmark   April 20, 2014 at 10:52PM
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What side of DC metro are you? Maybe a Ferguson would have it (eg. the one on General Washington Dr. has a wall of tools - Alexandria (off 395). Or another plumbing supply nearer to you.

    Bookmark   April 20, 2014 at 10:54PM
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"basin wrench" (but that's not the tool for this)

    Bookmark   April 20, 2014 at 11:14PM
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No basin wrench will clamp tight enough to loosen a waste nipple
But why does it have to come out, why won't a no-hub coupling work?

    Bookmark   April 21, 2014 at 12:48AM
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Is it in an orientation where you could either drill a purchase hole in the "cast" iron nipple (towards the "top" if the nip's pointing to the left...), or cut a slit in it (down to the boss it's screwed into) with a cheapo snag grinder with a 4 inch cutoff blade, and then whack that sucker axially with a dull cold chisel (or a steel drift) and three pound single jack?

That's an old school impact wrench.

    Bookmark   April 21, 2014 at 1:01AM
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A little more explanation - The kitchen sink drain pipe (circa 1940) was running very slow and I couldn't get a snake to run into that section because of a 90 degree bend. I cut a short section of the pipe out so I could snake it both directions, and then put it back together with two no-hub fernco connections that have the steel shield. The repaired pipe is supported by the soil stack on one side and a notched 2x4 on the other side, and it is very stable.

After looking at the build-up inside this iron pipe I decided I would like to replace it completely to reduce future flow problems. It would be great if I could also add a T for a cleanout, but it may not fit in the limited space. I will have to reassemble using no-hub fittings even if I replace the pipe.


    Bookmark   April 21, 2014 at 5:42AM
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Maybe a chain wrench would do the trick. Go to, they have one that fits pipe up to 5" dia. You need to supply a 1/2" drive ratchet but that's it. $15.

    Bookmark   April 21, 2014 at 8:58AM
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