This McAlpine 4″ x 1 1/4″ black two-piece soil pipe boss connector is made of cast iron and comes with a fixing tool. It is designed for compatibility with a 22mm drill size.

• Fits 4″/110mm soil pipes
• Compatible with 1 waste pipe sizes
• Designed for cast iron soil pipes
• Suitable for condensate discharge only
• Easy dry-fix mechanical connection
• Universal fit for push-fit or solvent-weld waste pipes
• Works with a 22mm hole saw
• Includes a fixing tool
• Meets BS 6798:2014 and Building Regulations Approved Document H