Rain Barrels & Rain Harvesting Supplies
When only the best rain water collection & storage devices will do.

Downspout First Flush Diverter Kit, 4"

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$45.83

 

First Flush Filter KIT for 4 inch PVC

You will need to purchase 4" diameter PVC to make all your connections to the kit parts.

The Downspout First Flush Filter Kit may improve water quality, reduce tank maintenance and protect pumps by preventing the first flush of water, which may contain contaminants from the roof, from entering the tank.




When it rains, water slowly builds up in the roof guttering system before it exits through the downpipe. The first flush of water from the roof can contain amounts of bacteria from decomposed insects, bird and animal droppings and concentrated tannic acid. It may also contain sediments, water borne heavy metals and chemical residues, all of which are undesirable elements to have in a water storage system.

Instead of flowing to the water tank, these pollutants are diverted with the initial flow of water into the chamber of the water diverter. The water diverter utilize a floating ball and seat system - a simple automatic system that does not rely on mechanical parts or manual assistance.

As the water level rises in the diverter chamber the ball floats, and once the chamber if full, the ball rests on a seat inside the diverter chamber preventing any further water entering the diverter. The subsequent flow of water is then automatically directed along the pipe system to the tank.

A slow release valve ensures the chamber empties itself after rain and resets automatically. The diverted water need not be wasted water because the drain pipe from the diverter chamber can be fitted to a standard drip irrigation system.

Downspout First Flush Water Diverter Kits

How an Installed Downspout First Flush Device works

First Flush Rain Harvesting



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