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Cherne® 4 in.- 6 in. Long Test-Ball® Plug
Features
- Makes sealing wye fittings easy when performing tests on DWV systems
- Natural-rubber construction provides an excellent seal
- Compatible with PVC pipes
- Withstands up to 13 psi or 30 ft of head pressure
- Includes a 3 ft extension hose
- Ring and chain assembly help prevent the plug from being drawn into the DWV plumbing system during testing
- Long Test-Ball® Plugs are designed for waste stack testing
Manufacturer Resources
Product Specs
- Chain Eye Bolts:
- Ring and Chain
- Deflated Diameter:
- 3 in.
- Deflated Length:
- 28.5 in.
- Inflation Pressure:
- 45 psi (3 bar)
- Inflation Thread:
- tank valve
- Maximum Back Pressure:
- 13 psi (0,9 bar)/30 ft. (9,1 M)
- Volume:
- 0.42
- Department:
- Plumbing
- Product Group:
- Plumbing Testing
- Product Subgroup:
- Testing Products
- Product Type:
- Test Plug
- Product Finish:
- Black
- Product Weight:
- 4.4
- Product Nominal Size:
- 4 in. - 6 in. (100 - 150 mm)
OATEY 271098 – Frequently Asked Questions
1) What pipe sizes does the Cherne 271098 Long Test-Ball plug fit?
The Cherne 271098 Long Test-Ball covers 4 in. to 6 in. (100 to 150 mm) nominal lines. Deflated it measures 3 in. in diameter, so it passes through a 4 in. opening, then expands to seal up to 6 in. One plug handles both sizes, which is why crews standardize on it instead of carrying two.
2) How much head pressure will this Cherne test ball hold on a waste stack test?
Maximum back pressure is 13 psi, which equals 30 ft (9.1 m) of water head. If your stack section holds more than 30 feet of column above the plug, break the test into shorter sections or the plug will blow past.
3) What pressure do I inflate the Cherne 271098 test ball to, and what valve does it use?
Inflate to 45 psi (3 bar), no higher. The fill fitting is a standard tank valve, so a regular air hose chuck or hand pump with a tire-style connector works. A 3 ft extension hose is included so you can inflate from outside the opening.
4) Will this test plug seal a wye fitting?
Yes, sealing wye fittings on DWV systems is what the 271098 is made for. The long natural-rubber body follows through the angled branch and seals where a short plug would be pushed out of the fitting.
5) What is the difference between a long test ball and a standard test ball plug?
Length is the point. Long Test-Ball plugs like the 271098 are built for waste stack testing, and this one is 28.5 in. long deflated, so it seats across a long run or through the throat of a wye fitting where a short ball would not stay put. For plugging a straight hub or a cleanout, a standard short test ball is the simpler choice.
6) Can I use this plug in PVC DWV pipe?
PVC is listed as compatible. The sealing element is natural rubber, which grips the smooth bore of plastic DWV pipe without needing a mechanical expansion head.
7) What keeps the test ball from being sucked down the stack during a test?
A ring and chain assembly is built into the 271098. You tie off the chain at the opening so the plug cannot be drawn into the DWV system if it slips or deflates under head pressure. Retrieving a lost plug from a stack is the failure this prevents.
8) How heavy is the Cherne 271098 test ball to handle on a ladder or in a chase?
It weighs 4.4 lb and runs 28.5 in. long deflated at 3 in. diameter, so it is a two-hand item when you are feeding it into a stack opening but light enough to carry up a ladder. Volume is 0.42, so give yourself a few seconds of air at 45 psi to fill it.
9) What part number should I order for the Cherne 4 to 6 inch long test ball?
Order Oatey part 271098. That is the Cherne 4 in. to 6 in. Long Test-Ball plug, black, supplied with the ring and chain and the 3 ft extension hose.
How fast can I get the OATEY 271098 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the OATEY 271098 come with a warranty?
Absolutely. The OATEY 271098 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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