Browse Forums General Discussion Re: Downpipe requirements for a charged system - help please 2Jun 22, 2021 9:35 pm 3in1 Supadiverta. Rainwater Harvesting Best Practice using syphonic drainage. Cleaner Neater Smarter Cheaper Supa Gutter Pumper. A low cost syphonic eaves gutter overflow solution. Re: Downpipe requirements for a charged system - help please 4Jun 22, 2021 11:00 pm 3in1 Supadiverta. Rainwater Harvesting Best Practice using syphonic drainage. Cleaner Neater Smarter Cheaper Supa Gutter Pumper. A low cost syphonic eaves gutter overflow solution. Re: Downpipe requirements for a charged system - help please 6Jun 23, 2021 7:50 am 3in1 Supadiverta. Rainwater Harvesting Best Practice using syphonic drainage. Cleaner Neater Smarter Cheaper Supa Gutter Pumper. A low cost syphonic eaves gutter overflow solution. Re: Downpipe requirements for a charged system - help please 8Jun 23, 2021 10:03 am LouNZ Thank you so much for answering these questions! I’m actually in Melbourne (but am a NZ’er at heart). I will try and get the plumber to chat today. Of interest... The Victorian Building Authority (VBA) Technical Solution Sheet 4:05 recommended the use of sub surface DWV pipes for charged rainwater systems but they never mandated it. I have just checked the list of VBA Technical Solution Sheets and 4:05 has been deleted.....(big breath) not corrected of its wrong information after many years but deleted!!! https://www.vba.vic.gov.au/plumbing/resources The 2015 thread linked below that discusses 4:05 and associated matters may interest you. viewtopic.php?f=3&t=89324 3in1 Supadiverta. Rainwater Harvesting Best Practice using syphonic drainage. Cleaner Neater Smarter Cheaper Supa Gutter Pumper. A low cost syphonic eaves gutter overflow solution. Once you know the basics, the rest is easy. Read my post in the thread linked below. viewtopic.php?p=1919271#p1919271 2 19516 Building Standards; Getting It Right! It's all good. You can get both wye piece and the coupling with or without thread. The cost difference is negligible and means the plumber only has to carry the single… 1 4916 |