Various Sized Test Bungs & Air Bags for Drain Testing – Explore our comprehensive range of test equipment for accurate diagnostics and troubleshooting in plumbing systems. Discover high-quality tools for pressure testing, leak detection, and system monitoring. Shop now for reliable test equipment to ensure optimal performance and safety in your plumbing installations.

Horobin 6″ (150mm) Steel Drain Test Plug | 150mm – 160mm Expansion Range

In stock

£11.82

Horobin 150mm Expanding Steel Drain Bung – 6" Pipe Test Plug for Air and Water Testing

Horobin 74091 Nylon Drain Testing Plug 6 Inch 150mm | Lightweight Butterfly Screw Expansion Bung | 160mm

In stock

£10.04

Genuine Horobin 74091 6" (150mm) nylon expansion bung. This lightweight, corrosion-proof plug features a butterfly screw for easy tightening during air or water pressure tests. Pro Tip: Being made of nylon, this plug is ideal for use in environments where metal components might rust or seize. It provides a secure, airtight seal for standard 150mm and 160mm drainage pipes.

Horobin 2″ (50mm) Steel Drain Test Plug | 50mm – 61mm Expansion Range

In stock

£8.71

Horobin 50mm Expanding Steel Drain Bung – 2" Pipe Test Plug for Air and Water Testing

Horobin 3″ (75mm) Steel Drain Test Plug | 73mm – 85mm Expansion Range

In stock

£9.41

Horobin 75mm Expanding Steel Drain Bung – 3" Pipe Test Plug for Air and Water Testing

Horobin 4″ (100mm) Steel Drain Test Plug | 94mm – 112mm Expansion Range

In stock

£8.27

Horobin 100mm Expanding Steel Drain Bung – 4" Pipe Test Plug for Air and Water Testing