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Cherne® 2 in. Test-Ball® Plug
Features
- Ring and chain assembly helps prevent the plug from being drawn into DWV systems during tests
- Single-Size Test-Ball® Plugs are designed to test drain, vent and waste systems in every type of pipe
- Inflatable design can fit through test tees, sanitary tees, floor drains and other hard to access pipe openings
- Natural rubber body provides excellent expansion and a great seal in round and out-of-round pipe
- Ideal for testing DWV plumbing systems at pressures up to 13 psi or with 30 ft of head pressure
- Utilizes a standard tire air fitting for easy connections
Manufacturer Resources
Product Specs
- Chain Eye Bolts:
- Ring and Chain
- Deflated Diameter:
- 1.77 in.
- Deflated Length:
- 2.84 in.
- Inflation Pressure:
- 40 psi (2,8 bar)
- Inflation Thread:
- 1.77 in. (45 mm)
- Maximum Back Pressure:
- 13 psi (0,9 bar)/30 ft. (9.1 M)
- Volume:
- 0.014
- Department:
- Plumbing
- Product Group:
- Plumbing Testing
- Product Subgroup:
- Testing Products
- Product Type:
- Test Plug
- Product Finish:
- Black
- Product Weight:
- 0.3
- Product Nominal Size:
- 2 in. (50 mm)
OATEY 270024 – Frequently Asked Questions
1) Will an Oatey Cherne 2 in. Test-Ball plug fit through a test tee or cleanout opening?
Deflated, the Cherne 2 in. Test-Ball plug measures 1.77 in. diameter by 2.84 in. long, so it passes through a 2 in. test tee, sanitary tee, floor drain or cleanout opening and then inflates to seal inside the line. That deflated diameter is the number that matters if you are feeding it through a restricted opening rather than an open pipe end.
2) What keeps a test ball from getting sucked down the drain line when the water is released?
A ring and chain assembly is built onto the plug. You tie it off at the opening before you inflate, and it holds the plug from being drawn into the DWV system when the head releases. Losing a plug into a stack is the expensive part of a failed test, so hook the chain every time even on a short branch.
3) Is an inflatable test ball or a mechanical expansion test plug better for a 2 inch DWV test?
An inflatable like the Cherne Test-Ball goes in through the opening deflated at 1.77 in. and expands, so it is the one to use when you cannot reach the pipe end directly, through a floor drain, a test tee, or a sanitary tee. It also seals in out-of-round or rough cast iron where a rigid mechanical plug fights the wall. A mechanical plug is the better pick when you have an open pipe end, want it to sit for days, and have no air source on site. For a standard DWV rough-in inspection on 2 in. line, the inflatable is the faster setup.
4) Can the Oatey 270024 Test-Ball be used for both a water test and a vent test?
Yes, it is built for drain, waste and vent systems alike, and the rating is the same either way: up to 13 psi, or 30 ft. of head on a water column. On a vent stack you are usually well under that. On a water test, measure from the plug up to the top of the fill, not from the floor.
5) What is the Oatey part number to reorder the 2 inch Cherne Test-Ball plug?
Order it as Oatey 270024. That is the 2 in. (50 mm) single-size Test-Ball with the ring and chain. Cherne numbers each pipe size separately, so if you are standardizing a truck stock or a facility kit, you specify one part number per size rather than one plug that covers a range.
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reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the OATEY 270024 come with a warranty?
Absolutely. The OATEY 270024 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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