--- product_id: 49285005 title: "L&S Engineers Steel Drain Test Plug - 3\" (75mm) Outlet 1/2\" Black Alloy Steel" brand: "l&s engineers" price: "6616 kr" currency: ISK in_stock: true reviews_count: 3 category: "L&S Engineers" url: https://www.desertcart.is/products/49285005-l-and-s-engineers-steel-drain-test-plug-3-75mm store_origin: IS region: Iceland --- # Max 20 psi back pressure Fits 73-92mm pipe IDs Alloy steel durability L&S Engineers Steel Drain Test Plug - 3" (75mm) Outlet 1/2" Black Alloy Steel **Brand:** l&s engineers **Price:** 6616 kr **Availability:** βœ… In Stock ## Summary > πŸ”§ Seal the deal with steel β€” test like a pro, every time! ## Quick Answers - **What is this?** L&S Engineers Steel Drain Test Plug - 3" (75mm) Outlet 1/2" Black Alloy Steel by l&s engineers - **How much does it cost?** 6616 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/49285005-l-and-s-engineers-steel-drain-test-plug-3-75mm) ## 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 ## Key Features - β€’ **Rugged Alloy Steel Build:** Engineered for long-lasting strength and corrosion resistance in demanding plumbing tasks. - β€’ **Compact & Efficient Design:** At just 80.5mm length with a 34mm minimum insertion, it fits tight spaces without compromise. - β€’ **Precision Fit for 3" Pipes:** Designed to snugly seal pipes with internal diameters from 73mm to 92mm, ensuring leak-proof testing. - β€’ **Reliable Pressure Handling:** Withstands up to 20 psi back pressure, giving you confidence in your drain testing results. - β€’ **UK Stocked with Fast Delivery:** Trade-ready availability and no-quibble returns keep your projects on schedule and stress-free. ## Overview The L&S Engineers Steel Drain Test Plug is a robust 3" alloy steel plug designed for plumbing professionals needing reliable pipe sealing. It fits pipes with internal diameters between 73mm and 92mm, inserts a minimum of 34mm, and handles back pressure up to 20 psi. Compact and durable, it’s stocked in the UK for fast delivery and backed by a no-quibble returns policy, making it a trusted choice for efficient drain testing. ## Description Steel Drain Test Plug. Type: 3" (150mm) . Outlet: 1/2". Will fit pipes with ID: 73mm - 92mm. Minimum insertion into pipe: 34mm. Length of Plug: 80.5mm. Maximum Allowable back pressure: 20p.s.i Review: Purge bungs - I use it for purging pipework great bits of kit Review: Stiff thread makes it difficult to fit. - I had to use grips on the threaded section to stop the whole thing turning while i tightened the wing nut. It does seam to seal okay once in place. Not as good as the Bailey version which uses a nylon nut and has softer rubber. ## Features - Steel Drain Test Plug. Type: 3" (150mm) . Outlet: 1/2". Will fit pipes with ID: 73mm - 92mm. Minimum insertion into pipe: 34mm. Length of Plug: 80.5mm. Maximum Allowable back pressure: 20p.s.i - Trade Prices - Fast Delivery From Our UK Warehouse - No Quibble Returns Policy ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0051OCFVC | | Best Sellers Rank | 363,166 in DIY & Tools ( See Top 100 in DIY & Tools ) 164 in Plumbing Testing Equipment | | Brand | L&S Engineers | | Brand Name | L&S Engineers | | Colour | Black, Gold | | Customer Reviews | 3.8 out of 5 stars 13 Reviews | | Item Dimensions W x H | 7.5W x 8.1H centimetres | | Item Weight | 0.29 Kilograms | | Item weight | 0.29 Kilograms | | Manufacturer | L&S Engineers | | Manufacturer Part Number | 200497 | | Material | Alloy Steel | | Material Type | Alloy Steel | | Number of Items | 1 | | Number of items | 1 | | Product dimensions | 7.5W x 8.1H centimetres | ## Product Details - **Material:** Alloy Steel - **Brand:** L&S Engineers - **Colour:** Black, Gold - **Product dimensions:** 7.5W x 8.1H centimetres - **Item weight:** 0.29 Kilograms ## Images ![L&S Engineers Steel Drain Test Plug - 3" (75mm) Outlet 1/2" Black Alloy Steel - Image 1](https://m.media-amazon.com/images/I/71BIqwTz4CL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Purge bungs *by I***. on 20 December 2023* I use it for purging pipework great bits of kit ### ⭐⭐ Stiff thread makes it difficult to fit. *by P***Y on 18 February 2022* I had to use grips on the threaded section to stop the whole thing turning while i tightened the wing nut. It does seam to seal okay once in place. Not as good as the Bailey version which uses a nylon nut and has softer rubber. ### ⭐⭐⭐⭐⭐ Five Stars *by S***S on 17 October 2014* Very well made and robust, I've used it several times without problem. ## Frequently Bought Together - L&S Engineers Steel Drain Test Plug - 3" (75mm) Outlet 1/2" Black Alloy Steel - L&S Engineers Steel Drain Test Plug - 4" (100mm) Outlet 1/2" --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.is/products/49285005-l-and-s-engineers-steel-drain-test-plug-3-75mm](https://www.desertcart.is/products/49285005-l-and-s-engineers-steel-drain-test-plug-3-75mm) --- *Product available on Desertcart Iceland* *Store origin: IS* *Last updated: 2026-07-13*