Have 3 onsuite bathrooms on 2nd floor that have been gutted.
All 3 onsuites run along the same wall. ( Roughly 3 metres apart) So that I am in line will building REGS PART H
Do I have to have one vented primary stack and the other 2 stub stack fitted with air admittance valves? If this is the case , what is th termination height of the stub stacks.
or
Can I simply increase the size of the discharge pipes and connec directly up to the primary vented soil stack
Also
Is there a minimum distance apart that appliances can be connected to branch discharge pipe.
Cheer
-- DIYHARRINGWORTH