---
product_id: 266681600
title: "Oatey 33400 Mechanical Test Plug, 1-1/2 in, 5 Psi Back, Plastic, Red 110 Deg F, Multicolor, 1.5 Inch"
brand: "oatey"
price: "€ 19.53"
currency: EUR
in_stock: true
reviews_count: 5
category: "Oatey"
url: https://www.desertcart.it/products/266681600-oatey-33400-mechanical-test-plug-1-1-2-in-5
store_origin: IT
region: Italy
---

# Red corrosion-proof plastic 110°F temperature rating 1.5 in mechanical seal Oatey 33400 Mechanical Test Plug, 1-1/2 in, 5 Psi Back, Plastic, Red 110 Deg F, Multicolor, 1.5 Inch

**Brand:** oatey
**Price:** € 19.53
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal it tight, test it right—plug into peace of mind!

## Quick Answers

- **What is this?** Oatey 33400 Mechanical Test Plug, 1-1/2 in, 5 Psi Back, Plastic, Red 110 Deg F, Multicolor, 1.5 Inch by oatey
- **How much does it cost?** € 19.53 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/266681600-oatey-33400-mechanical-test-plug-1-1-2-in-5)

## Best For

- oatey enthusiasts

## Why This Product

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

## Key Features

- • **Pressure-Test Ready:** Rated for 5 PSI back pressure—confidently test your piping system without leaks.
- • **Proudly Made in USA:** Quality craftsmanship you can trust, supporting local manufacturing excellence.
- • **Rust-Free Reliability:** Durable plastic body resists rust and corrosion, ensuring long-lasting performance.
- • **Effortless Seal & Release:** Wing nut design for quick tightening and removal—no hassle, no fuss.
- • **Precision Fit for 1.5" Pipes:** Engineered to snugly seal open-ended 1-1/2 inch pipes with mechanical grip.

## Overview

The Oatey 33400 Mechanical Test Plug is a 1-1/2 inch plastic pipe plug designed to mechanically seal pipes for pressure testing up to 5 PSI. Featuring a corrosion-resistant red plastic body and an easy-to-use wing nut for quick installation and removal, it fits snugly inside pipes and withstands temperatures up to 110°F. Made in the USA, this reliable plug is ideal for professionals seeking durable, hassle-free pipe sealing solutions.

## Description

Designed for use to seal piping or to hold pressure while testing your piping system. The Oatey 1-1/2 in. Plastic mechanical test plug mechanically seals inside the designated pipe. Excellent for plugging open-ended 1-1/2 in. Pipes.

Review: Good product
Review: Perfect fit!

## Features

- Plastic body will not rust or corrode
- Wing nut allows for easy tightening and removal
- Seals inside pipe mechanically
- Made in USA

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000H5WPDI |
| Best Sellers Rank | #119,993 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #192 in Hardware Plugs |
| Brand | Oatey |
| Brand Name | Oatey |
| Color | Multicolor |
| Colour | Multicolor |
| Customer Reviews | 4.6 out of 5 stars 916 Reviews |
| Global Trade Identification Number | 00038753334004 |
| Included Components | 1 1/2 IN. GRIPPER |
| Item Dimensions W x H | 43.2W x 29.2H centimeters |
| Item Type Name | Mechanical Test Plug, 1-1/2 In, 5 Psi Back, Plastic, Red 110 Deg F |
| Item Weight | 45 g |
| Item weight | 45 g |
| Manufacturer | Oatey |
| Manufacturer Part Number | 33400 |
| Material | Plastic |
| Material Type | Plastic |
| Model Number | 33400 |
| Number of Items | 1 |
| Product dimensions | 43.2W x 29.2H centimeters |
| UPC | 038753334004 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Oatey
- **Colour:** Multicolor
- **Item weight:** 0.1 Pounds
- **Material:** Plastic
- **Product dimensions:** 43.2W x 29.2H centimeters

## Images

![Oatey 33400 Mechanical Test Plug, 1-1/2 in, 5 Psi Back, Plastic, Red 110 Deg F, Multicolor, 1.5 Inch - Image 1](https://m.media-amazon.com/images/I/81lOLHEUdXL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good product
*by T***Y on 26 February 2026*



### ⭐⭐⭐⭐⭐ Perfect fit!
*by 6***S on 5 December 2025*



### ⭐⭐⭐ It was not the correct sizing
*by M***U on 25 November 2025*



## Frequently Bought Together

- Oatey 33400 Mechanical End-of-Pipe Gripper Plug, 1-1/2 in., Red, 1 Count
- Oatey 33402 Mechanical Test Plug, 3 in, 5 Psi Back, Plastic, 110 Deg F, 3 Inch, Red
- Eastman 2 Inch IPS Mechanical Test Plug, Screw and Zinc Nut, ABS, 78033

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*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-04-22*