---
product_id: 15040877
title: "TP34 Waffle Body Pneumatic Hydraulic Test Plug Inflatable with Air or Water, 3 to 4 Inch"
brand: "safe-t-seal"
price: "$U4413"
currency: UYU
in_stock: true
reviews_count: 11
category: "Safe T Seal"
url: https://www.desertcart.uy/products/15040877-tp34-waffle-body-pneumatic-hydraulic-test-plug-inflatable-with-air
store_origin: UY
region: Uruguay
---

# Inflation pressure 57 psi max Patented pressure relief valve Fits 3-4 inch pipes TP34 Waffle Body Pneumatic Hydraulic Test Plug Inflatable with Air or Water, 3 to 4 Inch

**Brand:** safe-t-seal
**Price:** $U4413
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal it right, test it tight — the pro’s choice for flawless pipe testing!

## Quick Answers

- **What is this?** TP34 Waffle Body Pneumatic Hydraulic Test Plug Inflatable with Air or Water, 3 to 4 Inch by safe-t-seal
- **How much does it cost?** $U4413 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/15040877-tp34-waffle-body-pneumatic-hydraulic-test-plug-inflatable-with-air)

## Best For

- safe-t-seal enthusiasts

## Why This Product

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

## Key Features

- • **Dual Inflation Capability:** Inflate with air or water for versatile, on-site adaptability.
- • **Non-Slip Waffle Body Design:** Enhanced grip and stability during installation and testing.
- • **Durable American-Made Rubber:** Built tough for construction and renovation projects with a 1-year warranty.
- • **Precision Fit for 3-4 Inch Pipes:** Seamlessly seals standard pipe sizes for professional-grade testing.
- • **Safety-First Pressure Relief Valve:** Prevents over-inflation and blowouts, ensuring jobsite safety.

## Overview

The TP34 Waffle Body Pneumatic Hydraulic Test Plug is a robust, American-made rubber plug designed to fit 3 to 4 inch pipes. It inflates with air or water up to 57 psi and features a patented pressure relief valve to prevent over-inflation. Its non-slip waffle surface ensures secure placement, making it ideal for professional water line testing in new construction and renovation projects.

## Description

Product Description Safe-t-seal, professional drain line test plug, features safety valve, waffle pattern exterior, inflates using water or air, best inflation pressure is 50 psi maximum back pressure of water is 30', if water is used, unit will both test and fill drain simultaneously, fits drains 3 inch to 4 inch diameter. The product is manufactured in china. Easy installation and easy handling. From the Manufacturer This safe-t-seal test plug fits 3-Inch to 4-Inch pipes. Its non-slip rubber with waffle body is used to test water lines in new construction and renovation projects. It has a patented pressure release safety valve to help prevent over inflation or blow-out.

Review: Well built. Seals very well. Like the included retrieval strap and handle. Have some hints here... - Well built. Heavy duty. Does what it says. Seals very well. Like the included retrieval strap and handle. Used with VIAIR (00016 6' Portable Compressor Air Extension Hose https://smile.desertcart.com/gp/product/B00ELJD0BW/ to block septic tank 4" output pipe while fixing hole in a downstream fitting. A little hard getting around the corner in the T from the filter pipe section into output pipe. Found it helped to squeeze some air out of the plug then capping the air hose to hold it slightly flatter for insertion. For use with the air hose, removed the guts from the plug's schrader valve. Even though the hose has the piece to open the valve, I wanted to be sure it couldn't be accidentally locked in place somehow. The hose has no place to install the valve at the pump end. Therefore... - Connected hose tight to plug. - Squeezed plug to flatten a little and capped with a regular schrader valve cap. - Inserted into down into filter pipe and 90 degrees through T into output pipe. - Removed cap and Inflated with bicycle pump just enough to grab plus a couple of extra pumps. - Folded the hose and pinched HARD while disconnecting pump and capping with the valve cap. - Made the downstream repair. - Removed cap to deflate then removed plug. Hint: When done, replaced air hose cap then soaked the whole thing in Clorox Cleanup (could use bleach) for a few hours, swished it around in a bucket, then rinsed. I don't know for sure, but figured it would probably not hurt the rubber.
Review: Perfect - Works perfect. Got the job done where another unit would not hold the seal.

## Features

- Made in USA with high quality material
- This test plug fits 3 to 4 inch pipes with air or water, commercial quality
- Pressure relief valve releases excess air, preventing overflow
- Inflation Pressure 57 psi, Max Head Pressure, 30 ft / PSIG Pressure 14
- Deflated diameter 2 2/3" , inflate length 12"
- Fits 3-Inch to 4-Inch pipes
- Non-slip rubber with waffle body
- Used to test water lines in new construction and renovation projects
- A patented pressure release safety valve to help prevent over inflation or blow-out
- Made in the U.S.A.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000BQN6OK |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #89,933 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2,671 in Pipe Fittings |
| Brand | SAFE-T-SEAL |
| Color | Black |
| Customer Reviews | 4.4 4.4 out of 5 stars (196) |
| Date First Available | August 17, 2005 |
| Global Trade Identification Number | 00077115000348 |
| Included Components | GT Water Products - TP34 |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 15.2 ounces |
| Item model number | GT Water Products - TP34 |
| Manufacturer | G.T. Water Products, Inc. |
| Material | Rubber |
| Measurement System | inch |
| Number Of Pieces | 1 |
| Number of Items | 1 |
| Part Number | TP34 |
| Product Dimensions | 2.67"W x 12"H |
| Size | 3-Inch to 4-Inch |
| UPC | 077155000346 077115000348 |
| Warranty Description | 1 year limited warranty against defective material/workmanship. |

## Product Details

- **Brand:** SAFE-T-SEAL
- **Color:** Black
- **Item Weight:** 0.43 Kilograms
- **Material:** Rubber
- **Product Dimensions:** 2.67"W x 12"H

## Images

![TP34 Waffle Body Pneumatic Hydraulic Test Plug Inflatable with Air or Water, 3 to 4 Inch - Image 1](https://m.media-amazon.com/images/I/31pspL6CBYL.jpg)
![TP34 Waffle Body Pneumatic Hydraulic Test Plug Inflatable with Air or Water, 3 to 4 Inch - Image 2](https://m.media-amazon.com/images/I/51k5YiKMdCL.jpg)

## Questions & Answers

**Q: I have a vertical clean out on a sewer drain that is about 2 feet below ground.  Can I bend this plug 90 degrees to get it into the drain line?**
A: This is a tough call, simply because there's not enough details to go off.. however, depending on how deep the clean out sits below the surface of the soil, then I would not risk trying it.  If the clean out opening is above ground and fairly easy to get to, that would make it a bit easier to bend the TP34 by pushing the center of the test plug rubber to create a bend.  If the clean out is below the ground, I would not risk or take that chance of getting the test plug stuck.   However, should you find away to slip the test plug into the clean out tee easy enough, then be sure to have liquid Dawn soap to allow the TP34 to be easily removed and slip back up and around the tight corner.  If you are working with 3" sewer, then I would not attempt  inert the test plug at all.  4" possibly!  You should be able to see for yourself if the angle is to difficult to get around.  Keep in mind that the TP34 waffle body is a very solid piece of rubber.  Please contact us directly if you have further questions or doubts.

**Q: my pipe is 4.25 inch (110mm), it works for me?**
A: Are you measuring Inside diameter  or outside diameter?  It is designed for up to 4" inside diameter. Will it go another 1/4" if your inside diameter is 4.25", likely though I have only used on 4" id.

**Q: I need to plug a 4” drain pipe for about 4 months. Will this test plug hold sufficient  pressure?**
A: I don't believe this plug is designed to last 4 months. The air pressure would likely leak out after a week or 2. As a plumbing contractor I've used many different types of test plugs and these are the best. For a long term plug, I would recommend some type of threaded cap or even a glue-on cap.

**Q: Two toilets, common sewer connection clogged. Can I use this to plug one toilet so I can use a plunger on the other?**
A: As long as you have a air pump or tire pump or something to inflate it

## Customer Reviews

### ⭐⭐⭐⭐⭐ Well built. Seals very well. Like the included retrieval strap and handle. Have some hints here...
*by S***R on March 13, 2020*

Well built. Heavy duty. Does what it says. Seals very well. Like the included retrieval strap and handle. Used with VIAIR (00016 6' Portable Compressor Air Extension Hose https://smile.amazon.com/gp/product/B00ELJD0BW/ to block septic tank 4" output pipe while fixing hole in a downstream fitting. A little hard getting around the corner in the T from the filter pipe section into output pipe. Found it helped to squeeze some air out of the plug then capping the air hose to hold it slightly flatter for insertion. For use with the air hose, removed the guts from the plug's schrader valve. Even though the hose has the piece to open the valve, I wanted to be sure it couldn't be accidentally locked in place somehow. The hose has no place to install the valve at the pump end. Therefore... - Connected hose tight to plug. - Squeezed plug to flatten a little and capped with a regular schrader valve cap. - Inserted into down into filter pipe and 90 degrees through T into output pipe. - Removed cap and Inflated with bicycle pump just enough to grab plus a couple of extra pumps. - Folded the hose and pinched HARD while disconnecting pump and capping with the valve cap. - Made the downstream repair. - Removed cap to deflate then removed plug. Hint: When done, replaced air hose cap then soaked the whole thing in Clorox Cleanup (could use bleach) for a few hours, swished it around in a bucket, then rinsed. I don't know for sure, but figured it would probably not hurt the rubber.

### ⭐⭐⭐⭐⭐ Perfect
*by D***K on July 21, 2025*

Works perfect. Got the job done where another unit would not hold the seal.

### ⭐⭐⭐⭐⭐ Excellent test ball!!!
*by J***. on April 30, 2017*

These test balls are great for doing sewer leak detection. They slide through the lines fairly easy and are smaller in diameter before inflated than cherne. The pressure relief valve prevents them from popping if over inflated. They are very thick rubber and last a long time. Only problems I've encountered is finding where to buy and over time the valve will break. That's after months of daily use, spinning and pushing them long distance down lines. I would like to find just the valve adaptor. I have several test balls with no valve adaptor. They can also be used with a water hose and will still plug the line. The ball itself would last for years. I would highly recommend this test ball to anybody doing leak detection on a regular basis.

## Frequently Bought Together

- Safe-T-Seal TP34 Waffle Body Pneumatic Hydraulic Test Plug Inflatable with Air or Water, 3 to 4 Inch
- VIAIR 6 ft. Air Extension Hose for Portable Compressors, Black, P/N 00016

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*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-02-02*