- Seals or holds pressure while testing a piping system
- Plastic body protects against rusting and corroding
- Wing nut makes tightening and removing easy
- See More Details
$541
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Price:
$541
Product Overview
The Oatey 4 in. Mechanical Plastic Test Plug is intended for use to seal piping or to hold pressure while testing the piping system. This plug has a wing nut for easy tightening and removal. Its plastic body will not corrode or rust.
- End of pipe gripper plugs are made with ABS glass-reinforced plates for added strength
- Extra large zinc wing nut for ease of tightening, no wrench required, and will not rust
- Natural rubber O-ring for excellent expansion and memory
- Plug is rated for 17 PSI or 40 ft. of head pressure
- End-of-pipe seals only at the end of a pipe, preventing plug from falling into stack
- Galvanized carriage bolt to prevent corrosion
Product Overview
- Seals or holds pressure while testing a piping system
- Plastic body protects against rusting and corroding
- Wing nut makes tightening and removing easy
Specifications
Dimensions
Maximum Drain Diameter (in.)
4
Minimum Drain Diameter (in.)
4
Product Depth (in.)
4.25
Product Height (in.)
2.75
Product Width (in.)
4.25
Details
Application
Floor
Color Family
Red
Color/Finish
Red
Finish
Red
Material
Plastic
Plumbing Category
Sink
Plumbing Part Type
Plugs & Stoppers
Returnable
180-Day
Warranty / Certifications
Manufacturer Warranty
1 year
Questions & Answers
14Questions24Answers
What is the maximum expanded diameter?
Asked by Khorosho September 28, 20201
Answer3.8" - 4.06"
Do I have to take the top off to put in toilet pipe hole
Asked by nece August 11, 20201
AnswerNo. Leave the plug intact and just loosen before inserting into the pipe. Then tighten the nut to expand the rubber and create the seal.
What size nut should I used if I want to replace the wing nut?
Asked by Krys January 18, 20201
AnswerThat information is proprietary - please contact Oatey Technical for more information.
would it be possible to saw off the bolt after installing , so that the top is flush?
Asked by richmond October 28, 20192
AnswersNo because you would lose the force that expands the plug
The house we just bought has this covering the old sewage clean out vent in our dining room. What...
Asked by abbys1693 October 25, 20191
AnswerOatey manufactures a specific cleanout plug for this application - Model # 270188 and it can be found on our website www.oatey.com in category 19.
This does not grip I tried losing nit then pliers to close but nothing works
Asked by Beth October 21, 20191
AnswerThis has a usage range of 3.8" - 4.06", please reach out to Oatey Technical at 1-800-203-1155 if your specs don't meet these guidelines.
How much pressure can this plug hold?
Asked by jack December 7, 20183
AnswersNormal stack pipe pressure.
Can this be used to seal a sewer drain pipe? I continue to have problems in my home with backflo...
Asked by Mike February 21, 20186
AnswersI have this same issue when it rains really hard. Do you use this just when it rains heavy then take it out? Does it work? My ground water drains through this also instead of running a pump, so I only need to plug when it rains heavily.
can this be used on cast iron?
Asked by nano February 20, 20185
AnswersIt will work on metal or P.V.C.
Is this a permanent solution to seal a toilet drain.
Asked by Matt November 4, 20173
AnswersDepends on local housing codes. Check with your city.
Customer Reviews
Overall Ratings
No issues; seals well....
January 21, 2020
No issues; seals well.
I use these for mineral feeders. I generally use them as the top and bottom plugs. I've had some ...
July 3, 2018
I use these for mineral feeders. I generally use them as the top and bottom plugs. I've had some in use for over two years. The pic is of an older design, I no longer put the little piece of pipe in the bottom, I just push the plug farther up in. It works better that way, less built-up.
The staff said there was no product in store to seal a toilet drain when removing a toilet, howev...
February 20, 2018
The staff said there was no product in store to seal a toilet drain when removing a toilet, however when we did an Internet search this came up. I then found it on HD site and it was available in the very store we visited. Ended up ordering from a different location for pickup. It works great after all the back and forth to find it.
Initial viewing: Sioux chief The Gripper 4” Mechanical Test Plug is constructed using durable pl...
January 22, 2018
Initial viewing: Sioux chief
The Gripper 4” Mechanical Test Plug is constructed using durable plastic wedge plates and a sturdy, pliable rubber sealing grommet. The threaded carriage bold and cast wing nut, are both cleanly threaded and operate smoothly. The top plate is 4 9/32” and will prevent it from falling into a 4” opening, while the bottom plate is 3 23/32” that easily fits in a 4” opening.
Testing:
I constructed a test pipe using 4” PVC piping, stepped down to ¾” steel nipple that I attached a 15 psi test gauge (see photo). I placed the test plug into the open end of the 4” pipe and then pumped in 15 pounds of air. The first test resulted in a fast decompression. I tested for leaks and found them around the plug. I tightened the plug to the maximum, using a set of vice grips and tested again. The second test resulted in a slow leak.
I then made sure that the cut on the open end of the 4” PVC was exactly square and tested again. The integrity of the seal remained solid and it held 15 psi for 2 hours.
Summary:
I found this product to be made with excellent materials, the type that will result in a good long useful life span. Though the grommet is made of nice durable rubber, it is only 5/8” thick and needs to be exactly square against the walls of the pipe, to seal correctly. I would use this mostly for just temporally closing openings.
Works great for what it's designed for. As long as you have a clean, round opening, it will easil...
March 1, 2017
Works great for what it's designed for. As long as you have a clean, round opening, it will easily and securely seal a toilet drain or other open pipe.
October 7, 2020
looks good ...have not used yet...
September 9, 2020
looks good ...have not used yet
Rating provided by a verified purchaser...
August 20, 2020
Rating provided by a verified purchaser
Rating provided by a verified purchaser...
August 20, 2020
Rating provided by a verified purchaser
August 18, 2020
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