---
product_id: 41448286
title: "Test Ball Plug, Pneumatic, Size 4 In"
brand: "cherne"
price: "A$136"
currency: AUD
in_stock: true
url: https://www.desertcart.com.au/products/41448286-test-ball-plug-pneumatic-size-4-in
store_origin: AU
region: Australia
---

# Fits 3.41" to 4.25" pipe diameters Zinc-plated steel chain anchor 30 PSI inflation pressure Test Ball Plug, Pneumatic, Size 4 In

**Brand:** cherne
**Price:** A$136
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal with confidence, test like a pro!

## Quick Answers

- **What is this?** Test Ball Plug, Pneumatic, Size 4 In by cherne
- **How much does it cost?** A$136 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/41448286-test-ball-plug-pneumatic-size-4-in)

## Best For

- cherne enthusiasts

## Why This Product

- Trusted cherne brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact Yet Powerful:** Easily navigates tight spaces like test tees and floor drains without compromising performance.
- • **Secure Anchor System:** Zinc-plated steel chain and ring handle prevent plug slippage, giving you peace of mind during tests.
- • **Broader Expansion Range:** Outperforms mechanical plugs with a wider expansion range, ensuring maximum reliability.
- • **Seals Perfectly, Always:** Natural rubber ensures superior expansion and memory for a flawless seal every time.
- • **Versatile Fit for Any Pipe:** Designed to seal both round and out-of-round pipes, adapting effortlessly to your DWV system needs.

## Overview

The Cherne 270040 4" Pneumatic Test Ball Plug is a durable, natural rubber plug designed for DWV systems. It inflates up to 30 PSI to seal pipe diameters ranging from 3.41" to 4.25", featuring a zinc-plated steel chain anchor to prevent slippage. Compact and versatile, it fits tight spaces and outperforms mechanical plugs with its broader expansion range.

## Description

This pneumatic test ball plug is designed for use in DWV systems to seal round and out of round pipe. Item: Test Ball Plug Type: Pneumatic Nominal Size: 4" Min. Dia.: 3.41" Max. Diameter: 4.25" Max. Back Pressure: 30 ft. of Head Required Inflation Pressure: 30 psi Deflated Size: 6.41"L x 3.28"D Material: Rubber For Use In: DWV Systems To Seal Round And Out Of Round Pipe

## Features

- Cherne 270040 4 Test-Ball Plug 13 PSI, 30 FT Single-Size Test-Ball Plugs Features: Made of natural rubber for excellent expansion and memory
- Seals both round and out-of-round pipe
- Zinc-plated steel chain and ring handle acts as an anchor to prevent plug from sliding down a line
- Fits easily through test tees, sanitary tees, floor drains, and other tight situations
- Broader expansion range than mechanical plugs

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00HQO2BPA |
| Best Sellers Rank | #1,936,042 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #7,760 in Ball Valves |
| Date First Available | May 30, 2013 |
| Item Weight | 0.64 ounces |
| Item model number | 270040 |
| Manufacturer | CAI - CHERNE INDUSTRIES |
| Package Dimensions | 2 x 2 x 2 inches |

## Images

![Test Ball Plug, Pneumatic, Size 4 In - Image 1](https://m.media-amazon.com/images/I/61MAZ5kFwUL.jpg)

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**Shop now:** [https://www.desertcart.com.au/products/41448286-test-ball-plug-pneumatic-size-4-in](https://www.desertcart.com.au/products/41448286-test-ball-plug-pneumatic-size-4-in)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-04-28*