Tapered Rubber Expansion Plug 25mm | Pool Pipe Plug | MXP225

Quick answer: The Tapered Rubber Expansion Plug (25mm) is a tapered rubber plug with a stainless steel wing-nut that expands to create a watertight seal inside pool pressure pipes. Tighten the wing-nut to expand the rubber and lock it in place — no tools required. The 25mm plug suits pipe internal diameters of 22mm–35mm.

Common Uses

• Sealing the main drain in a pool skimmer box
• Blocking off pipes when servicing equipment below water level
• Isolating a pipe run to test whether it is the source of pool water loss
• Temporarily capping unused pipe ends during plumbing work

Key Features

• Tapered rubber body — expands to grip the pipe wall when the wing-nut is tightened
• Stainless steel wing-nut and plate — corrosion-resistant, hand-tighten only
• Suits 22mm–35mm internal pipe diameter
• No tools required — reusable and durable in pool chemical environments

Specifications

• SKU: MXP225
• Nominal size: 25mm
• Pipe internal diameter range: 22mm–35mm
• Material: Rubber body, stainless steel wing-nut and plate

Need a different size?

• 25mm (22mm–35mm pipe) — You’re in the right place.
• 32mm (30mm–40mm pipe)
• 40mm (34mm–48mm pipe)
• 50mm (48mm–62mm pipe)