WaStop® Inline Check valve
The New Plymouth District Council installed an inline 150mm WaStop and the smell issues were instantly resolved. This had been on ongoing problem ever since the complex was built in 2012, and everyone involved was very pleased with the outcome.
Design: DN150 Stainless Steel insert WaStop
Thanks to Hynds Products New Zealand for supplying this information. www.hynds.co.nz