You may also like
Cherne® 2" Hub-Fit Gripper® Plug
Features
- easy to install extra large zinc wing nut that won't rust
- Made with glass-reinforced ABS plastic and natural rubber O-ring
- Yellow color enhances visibility in pipe
- Galvanized carriage bolt to prevent corrosion
- Pressure rated for conducting DWV tests
- Stainless steel hardware prevents corrosion
Manufacturer Resources
Product Specs
- Maximum Back Pressure:
- 13 psi (0,9 bar)/30 ft. (9 M)
- Volume:
- 0.01
- Department:
- Plumbing
- Product Group:
- Plumbing Testing
- Product Subgroup:
- Testing Products
- Product Type:
- Test Plug
- Product Finish:
- Yellow
- Product Material:
- Metal
- Product Weight:
- 0.2
- Product Nominal Size:
- 2 in. (50 mm)
OATEY 270528 – Frequently Asked Questions
1) What size pipe does the Cherne 270528 Hub-Fit Gripper plug fit?
The Cherne Hub-Fit Gripper plug, model 270528, is a 2 inch (50 mm) nominal plug. Hub-fit means it seats inside the hub end of 2 inch DWV pipe or fitting, and the rubber O-ring is compressed against the pipe wall by tightening the wing nut. For any other line size you need the matching nominal size plug, not this one.
2) How much pressure can the Cherne 2 inch Gripper test plug hold?
Maximum back pressure is 13 psi (0.9 bar), which equals a 30 foot (9 m) head of water. That covers a typical single or two story DWV water test stack. If your column of water will exceed 30 feet above the plug, step up to a plug with a higher pressure rating rather than overloading this one.
3) Is this Cherne plug for air testing or water testing a DWV line?
It is pressure rated for conducting DWV tests, and the rating is published as both a psi figure and a head of water, 13 psi or 30 feet, so it is used for water column tests and low pressure DWV testing within that limit. It is a mechanical test plug, not a permanent closure, so pull it once the inspection passes.
4) Will the hardware on this test plug rust if it sits in a wet line for weeks?
Corrosion resistance is built in across the whole assembly: an extra large zinc wing nut that won't rust, a galvanized carriage bolt, and stainless steel hardware. The body is glass-reinforced ABS plastic with a natural rubber O-ring, so there is no bare steel in contact with the test water.
5) Do I need tools to set or remove this 2 inch Cherne test plug?
No special tooling. The plug tightens with an extra large zinc wing nut you can turn by hand, which is the point of the oversized nut: setting and pulling plugs in a crawlspace or overhead without reaching for a wrench. A quarter turn backs the O-ring off so the plug drops out of the hub.
6) Why is the Cherne Gripper plug yellow?
The yellow color is there to make the plug easy to spot down a pipe, so it does not get left in a line and buried behind finished work. On a multi-unit or commercial rough-in where dozens of plugs go in, that visibility is what keeps one from being forgotten before the system is put into service.
7) How heavy is the Cherne 270528 plug for stocking on a truck?
Each plug weighs about 0.2, so a case of them adds almost nothing to a service van or a jobsite gang box. Plumbers and MRO stockrooms generally keep 2 inch plugs in quantity since 2 inch is the common branch and vent size on DWV rough-in.
How fast can I get the OATEY 270528 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
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 270528 come with a warranty?
Absolutely. The OATEY 270528 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the OATEY 270528?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
Why buy the OATEY 270528 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.