---
product_id: 49284999
title: "L&S Engineers Steel Drain Test Plug - 4\" (100mm) Outlet 1/2\""
brand: "l&s engineers"
price: "₨737"
currency: SCR
in_stock: true
reviews_count: 8
category: "L&S Engineers"
url: https://www.desertcart.sc/products/49284999-l-and-s-engineers-steel-drain-test-plug-4-100mm
store_origin: SC
region: Seychelles
---

# L&S Engineers Steel Drain Test Plug - 4" (100mm) Outlet 1/2"

**Brand:** l&s engineers
**Price:** ₨737
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** L&S Engineers Steel Drain Test Plug - 4" (100mm) Outlet 1/2" by l&s engineers
- **How much does it cost?** ₨737 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/49284999-l-and-s-engineers-steel-drain-test-plug-4-100mm)

## Best For

- l&s engineers enthusiasts

## Why This Product

- Trusted l&s engineers brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Steel Drain Test Plug. Type: 4" (100mm) . Outlet: 1/2". Will fit pipes with ID: 94mm - 110mm. Minimum insertion into pipe: 37.5mm. Length of Plug: 83.3mm. Maximum Allowable back pressure: 10p.s.i

Review: Perfect - I have a natural swimming pool which has one 'tank' for swimming and one for purification of the water. The two are connected with standard underground drainage pipe. I needed to block this transfer port to carry out maintenance on one side. Perfect, reach in place in position and wind the wing nut, seconds later and the job done. All the water was removed from one side leaving the plug the only thing holding back 10,000 litres of water - not a single drip leaked. Would recommend to anyone. Six months later - - - - - my own fault but do not leave outdoors in sunshine etc. I have come to use today and the rubber seal has perished. Have ordered a replacement but will look after the replacement better.
Review: Just about does the job! Quick delivery - Quality OK, but slightly too small diameter for use in old clay 4" Pipe

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0051OD1O2 |
| Best Sellers Rank | 66,734 in DIY & Tools ( See Top 100 in DIY & Tools ) 28 in Plumbing Testing Equipment |
| Brand | L&S Engineers |
| Brand Name | L&S Engineers |
| Colour | Grey |
| Customer Reviews | 4.4 out of 5 stars 62 Reviews |
| Item Dimensions W x H | 10W x 8.3H centimetres |
| Item Weight | 0.39 Kilograms |
| Item height | 8 centimetres |
| Item weight | 0.39 Kilograms |
| Manufacturer | L&S Engineers |
| Material | Alloy Steel |
| Material Type | Alloy Steel |
| Number of items | 1 |
| Product dimensions | 10W x 8.3H centimetres |

## Product Details

- **Material:** Alloy Steel
- **Brand:** L&S Engineers
- **Product dimensions:** 10W x 8.3H centimetres
- **Item weight:** 0.39 Kilograms
- **Number of items:** 1

## Images

![L&S Engineers Steel Drain Test Plug - 4" (100mm) Outlet 1/2" - Image 1](https://m.media-amazon.com/images/I/61e63EvQqeL.jpg)

## Questions & Answers

**Q: why does this keep saying 4" is 150mm, 4 inch is 100mm unless this is a 6", which is it???????**
A: Come on seller... wake up! It is a 4” drain plug 100mm not 150mm. At least the one I was sent is...

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect
*by C***S on 4 March 2014*

I have a natural swimming pool which has one 'tank' for swimming and one for purification of the water. The two are connected with standard underground drainage pipe. I needed to block this transfer port to carry out maintenance on one side. Perfect, reach in place in position and wind the wing nut, seconds later and the job done. All the water was removed from one side leaving the plug the only thing holding back 10,000 litres of water - not a single drip leaked. Would recommend to anyone. Six months later - - - - - my own fault but do not leave outdoors in sunshine etc. I have come to use today and the rubber seal has perished. Have ordered a replacement but will look after the replacement better.

### ⭐⭐⭐⭐ Just about does the job! Quick delivery
*by B***T on 2 August 2017*

Quality OK, but slightly too small diameter for use in old clay 4" Pipe

### ⭐⭐⭐⭐⭐ An excellent product
*by J***Y on 15 September 2017*

It sealed a open 4" soakway drain perfectly that was in my garage and put a stop to the smell that was coming into my house. Great value and well made. Perfect.

## Frequently Bought Together

- L&S Engineers Steel Drain Test Plug - 4" (100mm) Outlet 1/2"
- L&S Engineers Steel Drain Test Plug - 3" (75mm) Outlet 1/2" Black Alloy Steel

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**Shop now:** [https://www.desertcart.sc/products/49284999-l-and-s-engineers-steel-drain-test-plug-4-100mm](https://www.desertcart.sc/products/49284999-l-and-s-engineers-steel-drain-test-plug-4-100mm)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-01-25*