Now I've found this on marleyplubminganddrainage.com
Frequently asked questions
Soil
What is the maximum length of waste pipe can I fit to: Sink, Bath, Basin or Shower?
Sink: No limit Bath: No limit Basin: 1.7metre for 32mm- 3metre for 40mm over 3 increase too 50mm 2 Shower: No limit All...
Dear Plumbers
I'm hoping to install an en suite in my bedroom. I read online that the maximum length of waste pipe to the soil stack are as follows:
WC 6m
Basin 1.7
Shower 3m
Are these correct?
I can satisfy the WC requirement, but need to extend the basin and shower distances...