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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, Original Single-Size, 3/4 to 1-1/4 in Nominal Size, Natural Rubber
- Made of natural rubber for excellent expansion and memory
- 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
- Fits easily through test tees, sanitary tees, floor drains, and other tight situations
- Broader expansion range than mechanical plugs
- 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
- 0.73 in Dia deflated
- 3-3/4 in L deflated
- 45 psi inflation pressure
- 17 psi maximum back pressure
- 0.75 to 1.3 in usage range
- 40 ft head
- MaterialNatural RubberNominal Size3/4 to 1-1/4 inManufacturerOATEYManufacturer #270008TypeOriginal Single-Size