Top 10 Best sewage plug in 2026

Last Updated - 6/6/2026

🏆Best Choice

NDS

NDS 41P8 PVC S&D Cleanout Plug, with 4-Inch MPT Connection, Works with 4-Inch FPT drain fittings attached to Sewer and Drain Pipe, White

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•PROVIDES PIPE ACCESS TO CLEAR CLOGS: As part of a complete drainage system, the cleanout plug attaches to drainage fittings with 4 in. FPT threaded connection point and can be removed to provide easy access to drain pipe
•EASY TO REMOVE: Removable plug provides a point of access into pipe system to feed a plumbing snake into a clogged drain pipe
•WORKS WITH FEMALE CLEANOUT ADAPTER: Plug fits onto drainage fittings with 4 in. Female Pipe Thread (FPT) connection point
•MADE OF DURABLE MATERIAL: Made of polyvinyl chloride (PVC) treated with UV inhibitors to prevent fading and cracking
•SPECIFICATIONS: Works with Female Threaded Cleanout Adapter; Not compatible with DWV Schedule 40 pipe and fittings per ASTM D 2665

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$4.74

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Oatey

Oatey 33403 Plastic Plug (with Galvanized screw and wing nut), 4-Inch, Red

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•End-of-pipe plug seals or holds pressure to test piping system
•Plugs open-ended 4 in. pipes
•Made with ABS glass-reinforced plates for added strength
•Mechanically seals only at the end of a pipe, preventing plug from falling into stack
•Rated for 17 PSI or 40 ft. of head pressure
•Can be used in long-term applications
•Plastic plug body will not rust or corrode
•Natural, chemical-resistant rubber O-ring for excellent expansion and memory
•Zinc-plated steel handle
•Galvanized carriage bolt to prevent corrosion

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$8.95

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Glooglitter

Glooglitter 8 Inch Inflatable Pipe Plug Sewer Test Plug with 39.37 Extension Hose Rubber Plumbing Test Balloon for Sewage Pipeline Inspection

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•What You Will Receive: you will get a sewer inflatable plug, an extension hose, a bag of valves and a buckle; Suitable for sewage pipeline inspection, maintenance, and water blocking experiments, etc
•Made of: test ball pipe plug crafted from 4.5mm thickened natural rubber, with dimensions of about 8x9 inches, suitable for 8 inches pipe, offers excellent expandability and memory; Extension hoses with dimensions of about 39.37 inches long
•How to Use: please check the tube size before use, the inside of the pipe must be clean, and the surface must be free of burrs, otherwise, the tightness will be affected; Only use a manual pump to inflate the water heating test ball, and the maximum working pressure must not exceed 2.18 PSI
•Many Uses:toilet plug adopting explosion proof technology, the skirt belt prevents air leakage, with pure copper valves, good sealing; Double pull ring design, more convenient and effortless to pull out
•Storage Method: when not in use, keep in a cool and dry place, away from strong acid substances, you can apply a layer of talcum powder on the surface and seal it in a plastic bag to extend product lifespan

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$34.99

$37.99

-8%

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Oatey

Oatey 33400 Mechanical End-of-Pipe Gripper Plug, 1-1/2 in., Red, 1 Count

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•End-of-pipe plug seals or holds pressure to test piping system. Plugs open-ended 1-1/2 in. pipes
•Made with ABS glass-reinforced plates for added strength. Mechanically seals only at the end of a pipe, preventing plug from falling into stack
•Rated for 17 PSI or 40 ft. of head pressure. Can be used in long-term applications
•Plastic plug body will not rust or corrode. Natural, chemical-resistant rubber O-ring for excellent expansion and memory
•Zinc-plated steel handle. Galvanized carriage bolt to prevent corrosion. Wing nut allows for easy tightening and removal

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$5.65

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Lamprey Hardware

Lamprey Hardware #1-5 Universal Rubber Winter Plug for 1/2 inch to 1 inch Holes - Tapered Variety Multipurpose LHTP15 (1)

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Lamprey Hardware #1-5 Universal Rubber Winter Plug for 1/2 inch to 1 inch Holes
•Tapered variety rubber plug for multipurpose uses
•When Lamprey plugs are tightened fully 55% greater tightness than conventional plugs
•Used for a variety of uses like closing your swimming pool or spa, garbage disposal, motors, bathroom sinks or showers, and more.
•Guaranteed a tight fit

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$8.59

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HARSKIYER

HARSKIYER 6 Inch Sewer Cleanout Cap, Durable Mechanical Test Plug Metal Sewer Drain Cover, Sewage Pipe Cap with Wing Nut for Pipes, Sinks, Pools

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Quality Materials: The sewer drain plug are made of quality rubber and metal. The rubber can have good expansion to ensure the sealing of the pipe, and the wing nut is also made of quality metal with certain corrosion resistance
•Product List: Includes a 6 inch sewage Pipe Cap. We have sent the product to you fully assembled for added convenience. With its help it will surely solve the problems in your home
•Wide Range of Applications: Our sewer drain cover utilize a threaded design that fits most pipes. You can use him for kitchen or bathroom sinks, pipes, and you can also use them in swimming pools
•Easy to Use: The test plug can tightly plug the water pipe, effectively preventing water from entering the pipe. You just need to screw the plug into the drain after getting the product to complete the integrity, no other tools are needed
•Greater Versatility: In addition to being used as daily use pipe plugs, you can also go to use them when testing pool pressure, maintenance related equipment

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$24.99

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Cherne

Cherne 270138 Gripper 3-1/2 in. Black Mechanical Clean Out Plug, Black

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Can be used in long-term applications
•Chemical-resistant neoprene O-ring
•Made of heavy-duty aluminum
•6 in.-12 in. plugs are sized for concrete, clay, & SDR 26 and 35 pipe
•15 in. and 18 in. plugs are sized for concrete and clay pipe
•Available with or without bypass
•Patented threaded O-ring ensures airtight seal
•Stainless steel hardware prevents corrosion
•Black color blends well with cast-iron pipe
•Guaranteed to seal all damaged threads
•Made with glass-reinforced ABS plastic and natural rubber O-ring

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$17.49

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SAVITA

3 inch Sewer Cleanout Cap, Practical Expansion Pipe Plug Durable Sewer Pipe Plug Sewer Cleanout Cover Mechanical Test Plug with Wing Nut Suitable for Most Pipes Sink Pools

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Package Content: You will receive 1 piece of assembled sewer cleanout cap, which helps you protect your sink pools as well as the pipes and prevents the pipes from breaking.
•Premium Material: The sewer cleanout cover is made of premium rubber and metal for maximum expansion to ensure a tight sealing. Compared to plastic wing nuts, our stainless steel wing nuts are much stabler, more reliable, and durable for a long service time.
•Easy to Use: Our expansion pipe plug greatly protects your pipes by preventing water from entering the pipes. It is convenient and effortless to use it. Simply screw the plugs into all return and drain inlets, no wrench is required.
•Practical Usage: The sewer pipe plug can be applied as a tube plug to plug storage devices, and threaded pool return tube plug fits most pipes. It can be used in many places, such as kitchen and bathroom sinks, outdoor swimming pools or small indoor swimming pools.
•Wide Application: In addition to be applied as a tube plug, it also has other usages, such as testing the pressure of the pool and preventing flowing from the pool during equipment maintenance.

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$9.99

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Niuohoy

Steel Mechanical Test Plug, Sewer Cleanout Cap, Practical Expansion Pipe Plug, Drain Twist Plug Pipe Gripper, with Galvanized Screw and Wing Nut, Suitable for Most Pipes Sink Pools (4 Inch)

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•4 Inch Sewer Pipe Plug: You will receive 1 assembled 3-inch sewer cleanout cover for your daily use!
•Easy to Use: After cleaning the pipes, simply screw the plugs into the return and drain ports - no tools required, very easy to handle and use.
•Product Application: Mechanical test plugs can serve as pipe plugs in plug storage devices or threaded pool return pipe plugs for various pipes.
•Practical Design: Constructed from premium rubber and metal, ensuring maximum expansion capabilities to guarantee a secure seal. Stainless steel wing nuts offer enhanced usability compared to other plastic wing nuts, providing stability and corrosion resistance. This combination ensures an extended service life for the plugs.
•Widely Use: The adaptable design makes them suitable for various applications, including kitchen and bathroom sinks, outdoor swimming pools, and smaller indoor pool setups

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$9.99

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FLUENTPOWER

FLUENTPOWER Sump Pump Vertical Mechanical Float Switch, Universal Float Switch Replacement with 120V Plug for Sump and Sewage Pump, Smaller Basins, Pumps & Plumbing Equipment, with 10' Cord, Black

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•VERTICAL MECHANICAL FLOAT SWITCH: Comes with a 10' power cord with a piggyback plug, mounting bracket for pump or pipe, stainless steel hose clamp, and two screws
•UNIVERSAL PUMP REPLACEMEN: Suitable for sump pumps, sewage pumps, utility pumps, and effluent applications. It's compatible to FLUENTPOWER Sewage Effluent Pump (‎FSP65035DWB)
•AUTOMATIC OPERATION: Converts manual pumps into automatically turns on and off. When float switches are fully functional, no manual activation is required, and water is pumped out of the sump pit completely hands-free
•EASY INSTALLATION: This vertical float switch kit comes completely assembled and ready to mount on the pump discharge pipe. 10-foot cord with piggyback plug; pump plugs directly into switch plug - no wiring needed
•WIDE RANGE: Pumping range from 5.8" down to 0.75". 120-volt maximum pump running current is 10 Amps

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$33.99

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