Please be assured that Tank Shop remains open. Things are changing quickly in Australia, but we will continue fulfilling orders for tanks and other products sold online.

Commercial First Flush Water Diverters

Commercial First Flush Water Diverters are for larger 150mm and 225mm downpipe sizes. Installed via a T-join along the pipework that supplies water to your rainwater tank. Downpipe diverters help to direct this initial dirty rainwater away from your tank.

Note: Water diverted should be a minimum of 20 litres per 100 square metres of roof area (or 0.2L per m2).