OATEY 270210 Cherne® 1-1/2 in. End of Pipe Gripper® Plug

The Cherne 270210 End of Pipe Gripper plug is sized for 1-1/2 in. (40 mm) nominal pipe. It seals on the inside of the pipe end, so it suits 1-1/2 in. DWV stub-outs and open pipe ends during testing.

Rated to 17 psi (1.2 bar) back pressure, which is 40 ft (12 m) of head. That covers a typical single-story or two-story DWV water test column; if your test stack is taller than 40 feet of water above the plug, you need to test in sections or step up to a higher-rated plug.

No tools needed. The 270210 uses an extra large zinc wing nut you tighten by hand, which compresses the natural rubber O-ring against the pipe wall. Handy when you are working one-handed off a ladder or reaching into a joist bay.

An end of pipe plug like the 1-1/2 in. Cherne Gripper seals at an open pipe end, stub-out, or cleanout opening that you can reach directly. If you need to block a line part way along a run, or isolate a section of pipe you can only reach through a cleanout and push downstream, that is a job for a pneumatic test ball instead. The Gripper is mechanical, so there is no inflation gear to carry.

It is built for reuse. The plates are ABS glass-reinforced for strength, the carriage bolt is zinc-plated against rust and corrosion, and the natural rubber O-ring is specified for expansion and memory so it returns to shape between uses. Standard kit for a plumbing contractor or maintenance crew running repeat DWV tests.

Order it as Oatey 270210. That is the single model for the 1-1/2 in. (40 mm) End of Pipe Gripper plug, so there are no handing, finish, or size options to specify beyond the size itself.

Yes, the 270210 is finished in yellow, which keeps it visible in a wall cavity or trench so it does not get closed in and forgotten after the test is signed off. It weighs 0.1, so a handful of them adds nothing to the toolbag.