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- Cherne Plumbing Test Ball® Plugs were first introduced in 1953 as a more versatile product than traditional mechanical plugs. Designed to test drain, vent and waste systems Cherne Test Ball® Plugs could be used in any type of pipe, could be inserted through a test tee, and sealed out of round pipe as well. Cherne introduced the multi-size yellow-top Test Ball® plugs in 2002. These test ball plugs have the same great features found in the original test ball plugs, but can be used in more than one pipe size.
Cherne® Test-Ball® Pneumatic Plumbing Plug, Multi-Size, 2 to 3 in Nominal Size, Natural Rubber
- Cherne® multi-size plumbing Test-Ball® plugs have the same great features as our original test ball plugs, with the added benefit that one size fits multiple pipe diameters, doing the job of 2+ single-size plugs
- Use to block flow (water DWV test) or as a back plug for sewer air testing
- Seals both round and out-of-round pipe
- Zinc-plated steel chain and ring handle acts as an anchor to prevent plug from sliding down a line
- Natural rubber: Great sealing properties as well as excellent expansion and memory
- Schrader valve inflator includes cap with valve core tightener
- Ring and chain assembly: Prevents plug from dropping into DWV system during test
- Removable chain
- Molded in valve inflation thread
- 1.78 in Dia deflated
- 5.57 in L deflated
- 40 psi inflation pressure
- 17 psi maximum back pressure
- 1.9 to 3.1 in usage range
- 40 ft head
- MaterialNatural RubberNominal Size2 to 3 inManufacturerOATEYManufacturer #276238TypeMulti-Size