First Flush Carrot – Extra Volume

The First Flush Carrot automatically measures and diverts the first flush of rainfall from your roof without requiring a traditional storage chamber. This first wash of the roof contains the most contaminants, meaning that you will end up with the best quality water in your rainwater tank. 

Most first flush diverters need a storage chamber for the dirty water, where it's held temporarily before it is discarded. Not here though - the clever design automatically diverts the water and seals without the need for a chamber meaning the First Flush Carrot is a more compact design which can fit anywhere.

The Catch-All Tee ensures no water skips across the tee until the first flush of water is complete – which means you only capture the best quality water. The unique design incorporates a jump which makes it harder for dirty water to skip through. Standard tees can allow water to skip through at less than 1L/second. The Catch-All Tee won't let this happen, which means you only get clean water in your tank.

We've set the Extra Volume version of the Carrot up to divert around 40L/10 gal of water, but you can easily adjust it to suit your requirements. It just requires switching a few pieces out which we include in the kit. You can control how much first flush you want to divert, to give you the balance of water quality and quantity to suit your needs.