The 110mm Grey Soil Boss Pipe Socket/Spigot allows the connection of up to 3 separate waste pipes to the soil system. The boss pipe has one open and 2 closed bosses to use the open boss fit the appropriate adaptor which will allow a 32mm 40mm and 50mm waste pipe to be connected to the soil stack. To fit waste pipes to the closed bosses drill them out using a 50mm – 57mm hole cutter fit the appropriate boss adaptors to allow 32mm 40mm and 50mm waste pipes to be connected to the soil stack. The soil boss pipe has a spigot at one end which should always form the lower joint.
