In-Ground First Flush Kit

In-Ground First Flush Diverter Kit

Size: 12"
Weight: 6 lbs.
Ships From: TX, IL

In-Ground First Flush Diverter Kit

The Rain Harvesting In-Ground First Flush Diverter Kit improves rainwater quality and safety, help extend the life of pumps (used to distribute rainwater for use in and around the home) and internal appliances that draw upon rainwater (such as laundry, toilets, hot water systems and dishwashers) and reduce tank maintenance.
In addition to acting as a first flush diverter, this diverter also allows a "wet" system to be converted into a "dry" system (Example in diagram below). There are 2 main reasons why many systems are "wet". Firstly, due to the size of the buildings or the placement of the tank being away from the buildings, meaning that there are long runs of pipe underground leading to a riser at the tank. Secondly, to reduce the water from freezing, water is diverted below the freezing level of the ground in areas with cold climates. On a sloping site, this diverter ensures the diverted water AND the water that would normally remain in the pipes empties out. The result - a "dry" system that saves water and improves water quality.

In-Ground First Flush Diverter Kit Requirements:

  • Requires minimum 5 degree (1:12) ground slope
  • Requires standard 12" PVC which can be purchased online or at a local plumbing supply
  • Diverts approximately 6 gallons per foot of 12" pipe
Underground First Flush Diverter
Below is an example of a "Wet System" Conversion:
The following factors can be used as a guide in determining the volume of water to be diverted:
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In-Ground Rain Harvesting First Flush Water Diverter
  • Item #: WDIG99
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Price $99.99
Sale Price $79.95
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