Thanks for the reply Chris, I thought that maybe the case. So just to clarify If I put a branch on that outlet pipe and run a 4 inch from that to the summerhouse and still keep the gully where it is surving its purpose for the appliance wastes coming from the house?
Hi all,
Wanted some advice on an outside bottle gully that I currently have. At the moment it has 3 appliance waste pipes going into the top of it and a redundant waste pipe on the side (which I want to use for a ACO driveway drain). The outlet feeds direct to the main drain (confirmed by...