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Black Swan 17180 is an economy test plug designed for low-pressure testing of 4 in pipe connections. The plug uses stamped steel plates on the top and bottom with a rubber gasket between; tightening the wing nut expands the gasket to seal the pipe. It is intended for floor drain, sewer, and general-purpose plumbing testing and is sold as a pack of 12 for bulk use.
Economy steel test plug for low-pressure 4 in pipe testing with rubber gasket and wing nut expansion; pack quantity 12.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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