The McAlpine BOSSCONN82Z-GR is a grey mechanical soil pipe boss connector that is designed to connect a 4"/110mm soil pipe to a 57mm hole saw size. This product comes with a fixing tool that makes it easy to install and use. The McAlpine BOSSCONN82Z-GR is made of durable materials that are resistant to corrosion and can withstand high levels of pressure. It is suitable for use in a range of applications, including domestic and commercial plumbing. To install the McAlpine BOSSCONN82Z-GR, you will need to drill a 57mm hole in the soil pipe where you want to connect the connector. Once the hole is drilled, simply insert the connector into the hole and use the supplied fixing tool to tighten it in place. Overall, the McAlpine BOSSCONN82Z-GR is a reliable and easy-to-use connector that is ideal for connecting a 4"/110mm soil pipe to a 57mm hole saw size. ・ Available to suit 4'/110mm and 3"/82mm soil pipe ・ Available for 1¼" and 1½" waste pipe size ・ Suitable for waste water and condensate discharge ・ Simple dry fixing mechanical connection ・ Universal connection for pushfit or solvent weld waste pipe