Questions Filter Sort by: Random Newest FirstOldest FirstRecently ActiveMost VotesMost AnswersMost Viewed Ask Question Featured/Unfeatured Show featured only Resolved/Unresolved Show resolved only Open/Closed Show open questions only 0 votes 1 answer 4k views Experience with ball valves on branched drains? Branched drain systems branched drain greywater design mistake ball valve Hello installers, Has anyone tried using ball valves after the double ell to allow client to dire... thirstyPDX asked 4 years agolast active 4 years ago Showing 1 result