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Cherne ® 1-1/4" Kwik Sure ® Plug, PSI 112
The Cherne Industries 1-1/4" single-size underground Test-Ball plug blocks flow for sanitary and storm sewer testing, isolation, and back-plug air tests. Natural rubber construction expands to seal round and out-of-round...
$ 10.49
Cherne ® Tub Plug Set, Overflow & Drain
The Cherne® Tub Plug Set, Overflow & Drain is an essential tool for isolating bath wastes during air and water testing. With its natural rubber gasket, this plug set creates...
$ 13.08
Cherne ® 3/4" Kwik Sure ® Plug, PSI 180
The Cherne Industries 3/4" single-size underground Test-Ball plug blocks flow for sanitary and storm sewer testing, isolation, and back-plug air tests. Natural rubber construction expands to seal round and out-of-round...
$ 8.01
Cherne ® 15-16 in. Single-Size Underground Test-Ball ® Plug
The Cherne 15-16 blocking plug provides full pipe isolation for pressure tests and air tests in sanitary and storm sewer systems. Natural rubber sealing handles round and out-of-round pipes. Holds...
$ 644.41
Cherne ® 8" Inside-of-pipe Gripper ® Plug,17 PSI - 40 ft.
The Cherne 8" Gripper bypass plug (17 PSI) isolates pipe sections while maintaining controlled flow — essential for cleanout testing and live-line repairs. Threaded aluminum bypass nipple, mechanical T-handle expansion....
$ 74.98
Cherne 4" Econ-O-Grip low-pressure blocking Plug
The Cherne Industries 4" single-size underground Test-Ball plug blocks flow for sanitary and storm sewer testing, isolation, and back-plug air tests. Natural rubber construction expands to seal round and out-of-round...
$ 8.80
Cherne ® 1" Kwik Sure ® Plug, PSI 40
The Cherne Industries 1" single-size underground Test-Ball plug blocks flow for sanitary and storm sewer testing, isolation, and back-plug air tests. Natural rubber construction expands to seal round and out-of-round...
$ 8.11
Cherne ® Air-Loc ® 6-10" Parachute
The Cherne® Air-Loc® 6-10" Parachute is a must-have tool for any sewer line professional. Made from lightweight nylon, this parachute is designed to make your job easier and more efficient....
$ 112.05
Cherne ® 3/4"-1-1/4" Single-Size Plumbing Test-Ball ® Plug
The Cherne 3/4"-1 Muni-Ball pneumatic plug handles municipal sewer line testing, flow control, and isolation. Available in urethane-pillow (lightweight, flexible, chemical- and petroleum-resistant) and natural rubber styles. Tethers to full...
$ 63.03
Cherne ® 1-1/2" Sure-Grip ® Water and Air testing Plug, 22 PSI
The Cherne Industries 1-1/2" single-size underground Test-Ball plug (22 PSI) blocks flow for sanitary and storm sewer testing, isolation, and back-plug air tests. Natural rubber construction expands to seal round...
$ 6.75
Cherne ® 2-1/2" Kwik Sure ® Plug, PSI 72
The Cherne Industries 2-1/2" single-size underground Test-Ball plug blocks flow for sanitary and storm sewer testing, isolation, and back-plug air tests. Natural rubber construction expands to seal round and out-of-round...
$ 25.30
Cherne ® 4" Clean-Out Gripper ® Plug
The Cherne 4" Gripper bypass plug isolates pipe sections while maintaining controlled flow — essential for cleanout testing and live-line repairs. Threaded aluminum bypass nipple, mechanical T-handle expansion. Natural rubber...
$ 27.15Why Contractors Choose Cherne
Cherne has been the standard name in pipe testing and sealing equipment for decades. When a plumbing contractor, municipal crew, or pipeline company needs to isolate, test, or bypass a pipe section, Cherne is what they reach for. We carry the full product line — not a limited selection — so you can get every size and type from a single supplier.
Product Lines
Blocking Plugs (Test-Ball & I-Series)
Pneumatic plugs that create a complete seal for pressure testing, smoke testing, and construction isolation. Single-size and multi-size options from 4” to 24”. The I-Series covers extended ranges, reducing the number of plugs your crew carries.
Bypass Plugs (Muni-Ball)
Seal the pipe while diverting flow through a built-in bypass channel. Essential for sewer repair work where you can’t fully stop flow. Bypass sizes from 3/4” to 3” for residential through municipal trunk lines.
Mechanical Plugs (Gripper & Econ-O-Grip)
No inflation required. Hand-tighten for fast pipe sealing. Gripper plugs rated up to 17 PSI for drain testing. Econ-O-Grip for cost-effective low-pressure blocking.
Smoke Testing (Air-Loc)
Smoke generating devices for sewer system leak detection. Available in 60-second and 3-minute burn times.
Pricing & Availability
We stock Cherne products for same-day shipping on orders placed before 1pm CT. For contractor pricing on recurring orders, call (866) 514-3684.
FAQ
Do you carry the full Cherne line?
Yes. We carry Test-Ball, Muni-Ball, Gripper, Econ-O-Grip, Air-Loc, and accessory products. If you don’t see a specific Cherne item, call us — we can source it.
What’s the difference between Test-Ball and Muni-Ball?
Test-Ball plugs create a complete seal (blocking). Muni-Ball plugs seal the pipe but include a bypass channel that diverts flow around the work zone. Use Test-Ball for pressure testing; Muni-Ball for repair work where flow can’t be fully stopped.
Do you offer contractor pricing?
Yes. Call (866) 514-3684 for pricing on recurring or volume orders. We work with plumbing contractors, pipeline companies, and municipal crews nationwide.
