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Cherne® 3 in. End of Pipe Gripper® Plug
Features
- ABS glass-reinforced plates for added strength
- Extra large zinc wing nut for ease of tightening, no wrench required
- 3 in
- Zinc-Plated carriage bolt resists rust and corrosion
- Natural rubber O-ring for excellent expansion and memory
- Plug is rated for 17 PSI or 40 ft. of head pressure
Manufacturer Resources
Product Specs
- Maximum Back Pressure:
- 17 psi (1,2 bar)/40 ft (12 M)
- Volume:
- 0.011
- Department:
- Plumbing
- Product Group:
- Plumbing Testing
- Product Subgroup:
- Testing Products
- Product Type:
- Test Plug
- Product Finish:
- Yellow
- Product Material:
- Metal
- Product Weight:
- 0.3
- Product Nominal Size:
- 3 in. (75 mm)
OATEY 270237 – Frequently Asked Questions
1) Will the Cherne 3 in. End of Pipe Gripper plug hold a full DWV test head?
The Cherne 3 in. End of Pipe Gripper plug is rated to 17 psi, which works out to 40 feet of head pressure. That covers a typical three to four story stack test. If your column of water is taller than 40 feet, break the test into sections or move to a plug with a higher pressure rating.
2) Does this Cherne Gripper plug go inside the pipe or over the end of it?
It is an end of pipe plug. The Gripper grips the outside of the pipe end rather than seating down inside the bore, so it is used on an open stub or pipe end, not on a cleanout tapping or a fitting socket you need to seal from within.
3) Do I need a wrench to tighten this test plug?
No. The Gripper uses an extra large zinc wing nut you tighten by hand, so a plumber working in a trench or up a ladder can set and pull it without reaching for a tool. The carriage bolt behind it is zinc plated to resist rust and corrosion from repeated wet use.
4) Is this Cherne plug tough enough to reuse job after job?
It is built for reuse. The compression plates are ABS glass reinforced for strength, the bolt is zinc plated against corrosion, and the seal is a natural rubber O-ring chosen for expansion and memory so it returns to shape after being squeezed. Metal is listed as the product material on the hardware side.
5) How much does a 3 inch Cherne Gripper plug weigh for stocking a service truck?
Roughly 0.3 in the published weight figure and 0.011 in volume, so it is a light, small-footprint item. Property maintenance and MRO stockrooms can carry several sizes in one bin without eating shelf space.
6) Why is the Cherne test plug yellow?
Yellow is the finish on the Gripper plug, which makes it easy to spot in a trench, a chase, or a stack of open stub-outs so a plug does not get buried behind drywall or backfilled by mistake.
How fast can I get the OATEY 270237 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 270237 come with a warranty?
Absolutely. The OATEY 270237 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 270237?
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
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