Cherne® Long Test-Ball® plugs are designed for waste stack testing and can be used to seal the wye to conduct sewer air tests. Molded-in sealing ribs at both ends ensure a leak-free seal.
- Natural rubber construction provides an excellent seal
- Ring and chain assembly helps prevent the plug from being drawn into the DWV plumbing system during testing
- Makes sealing wye fittings easy when performing tests on DWV systems
- Withstands up to 13 psi or 30 ft of head pressure