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.

First Flush Advanced Release Valve (Rain Harvesting)

Rain Harvesting's Advanced Release Valve (WDRV01) allows you to take control over how frequently your first flush diverters empty and prevent clogging to minimise maintenance and improve your diverter's performance.

Price $65.00 GST incl.

  • Drain allows for efficient draining and minimises the risk of clogging
  • Electronic auto-release timer allows you to set the frequency at which your first flush water diverter drains
  • Transpareny exit funnel allows for easier visual inspection
  • Retrofits any Rain Harvesting first flush diverter (90mm, 3″, 100mm, 4″, post/wall, in-ground and 225mm)
  • Flat $10 delivery – no matter your order size!