4/110mm x 1¼" (1.1/4") Pipe Mechanical Soil Pipe Boss Connector (Black) - BOSSCONN110-BL
4/110mm x 1¼" (1.1/4") Pipe Black Mechanical Soil Pipe Boss Connector for 57mm hole size. Supplied with Fixing Tool. Size: 1¼" (1.1/4") Standard: BS 6798:2009 and Building Regulations Approved Document H Please Note: Pipe Boss Connector allows condensate discharge from condensing boiler and waste water to be discharged via soil pipe