Oatey 271047 4" Cherne® Long Test-Ball® Plugs

Cherne® Long Test-Ball® Plugs are designed for waste stack testing – sealing the rise and the run to perform the test, 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. Compatible with PVC pipes Includes a 3 ft extension hose with standard car-tire inflation valve Makes sealing wye fittings easy when performing tests on DWV systems Natural-rubber construction provides an excellent seal Ring and chain assembly help prevent the plug from being drawn into the DWV plumbing system during testing Withstands up to 13 psi or 30 ft of head pressure