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Cherne 270032 Test-Ball 3-Inch Plug, Black

Cherne 270032 Test-Ball 3-Inch Plug, Black

Q: How do you blow it up

It has the same fill valve as your car tire or bicycle tire. Any regular hand or foot pump will work.

Q: Can these be used to block a sewer drain pipe in a basement to attempt to block water from coming into the basement say during a flood?

Interesting question. I would think so, but that's only an educated guess; I have not used one for that purpose. For the typical purpose of pressure testing drain pipes, my county's inspection required the system to hold 5 psi for 15 minutes, which this test ball easily held. 5 psi is equal to 138 inches water column, so if the test ball holds water pressure as effectively as it does air pressure, it would hold back water pressure from flood waters 11 1/2 feet higher than where the plug is. I believe the plug could hold back significantly more air pressure than 5 psi. However, performance with water, not air, might be worse because the water could reduce friction and possibly let the plug slip. And then, even if this holds back water rising in the drain pipe, if the water level is high enough, there will be other places it gets into the house. Bottom line - I wouldn't count on it as the primary means of preventing entry of flood water, but as a backup or last resort, it would definitely be worth a try. Especially if flood waters aren't high enough to put significant pressure on basement walls.

Q: What are the chances of this product working on a corregated drain pipe? No pressure involved. Just infiltrating groundwater.

No experience with this use, but I'd say good chance it will hold back most of the water, if it's not pressurized. The plug should contact 3 or 4 of the "ribs" inside the corrugated pipe. That said, there's always going to be some head pressure if there's a height difference between the end of the pipe and the source of the water. If you need zero water leaking through, I wouldn't count on this.

Q: does this come with an adapter for an air pump that fits a Presta valve, instead of the standard shrader valve?

No, and we found that using a bike pump was not successful anyway. The act of removing the pump hose from the ball allowed too much air to escape. The ball deflated to the point that it was not water-tight. There really is only a small volume of air in the ball. We got the best results using an air chuck mounted on an air hose running from a small compressor.

4.5/5

Product ID: 274782835

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Details

Material
Natural Rubber
Brand
Cherne
Colour
Black
Product dimensions
7.6W x 7.6H
Item weight
6.3 Ounces

🔗Zinc-plated steel chain & ring for secure anchoring

🖤Natural rubber for superior expansion & memory

🛠️3-inch plug size for versatile pipe fit

Frequently Bought Together

Cherne 270032 Test-Ball 3-Inch Plug , Black

Cherne 270024 2 in. Rubber Test Ball Pipe Plug, Black

Cherne 270040 Rubber Test Ball Pipe Plug, 4" , Black

Description

🖤 Seal the deal with confidence—plug in like a pro!

EFFORTLESS INFLATION - Standard tire air fitting ensures quick, hassle-free setup
SECURE ANCHORING SYSTEM - Zinc-plated steel chain and ring prevent plug slippage during tests
UNMATCHED SEAL RELIABILITY - Expands to seal both round and out-of-round pipes flawlessly
PRECISION FIT FOR EVERY PIPE - Easily navigates tight spaces like test tees and floor drains
DURABLE AMERICAN CRAFTSMANSHIP - Made in the USA with premium natural rubber for longevity

The Cherne 270032 Test-Ball 3-Inch Plug is a premium inflatable rubber test plug designed for reliable sealing of drain, vent, and waste pipes, including out-of-round and hard-to-access openings. Made in the USA from natural rubber, it features a zinc-plated steel chain and ring for secure anchoring and fits easily through tight plumbing fixtures. Ideal for professional DWV testing, it offers quick inflation via a standard tire air fitting.

Specifications

Manufacturer	Cherne
Part number	270032
Item Weight	178 g
Product Dimensions	26.67 x 16.51 x 14.61 cm; 178.6 g
Item model number	270032
Size	3 Inch
Color	Black
Material	Natural Rubber
Item thickness	1 Inches
Item Package Quantity	1
Measurement System	English
Included components	Unit^Instruction Guide
Batteries Included?	No
Batteries Required?	No

Have a Question? See What Others Asked

How do you blow it up

Can these be used to block a sewer drain pipe in a basement to attempt to block water from coming into the basement say during a flood?

What are the chances of this product working on a corregated drain pipe? No pressure involved. Just infiltrating groundwater.

does this come with an adapter for an air pump that fits a Presta valve, instead of the standard shrader valve?

Common Questions

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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€ 93.32

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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