Rain Harvesting Pty First Flush Diverter for In Ground Systems

Rain Harvesting Pty  First Flush Diverter for In Ground Systems

Currently in stock

The Rain Harvesting In-Ground 12" First Flush water diverter improves rainwater quality and safety, helps extend the life of pumps (used for irrigation and other domestic purposes), and also internal appliances that draw upon rainwater (such as laundry, toilets, and dishwashers) and reduces tank maintenance.

Our Price$79.95
List Price$85.00
SKUWDIG99
 

Product Description:

Innovative and cost saving. In addition to acting as a first flush diverter, this diverter also allows a "wet" system to be converted into a "dry" system. 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.

  • Requires minimum 5 degree (1:12) 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

 

"Wet" System Conversion:

 

Diversion Recommendations for the Roof

Minimal Pollution: divert 0.0125 gallons per square foot of roof area
Open field, no trees, no bird droppings, clean environment

Substantial Pollution: divert 0.05 gallons per square foot of roof area
Leaves and debris, bird droppings, various animal matter, e.g. dead insects, lizards, etc.


Example for a minimal polluted roof of 1,000 square feet:
1000 square feet X 0.0125 = 12.5 gallons to be diverted

Example for a heavily polluted roof of 1000 square feet:
1000 square feet X 0.05 = 50 gallons to be diverted

PVC Pipe Specifications

3" Downspout diverters: Use 3" Schedule 40 PVC
(not sewer and drain pipe)
Storage capacity: Each 3 foot section of 3" PVC holds approximately 1.1 gallons of water (0.3840341 gal/ft)

4" Downspout diverters: Use 4" Schedule 40 PVC
(not sewer and drain pipe)
Storage capacity: Each 3 foot length of 4" PVC holds approximately 2 gallons of water. (0.661312 gal/ft)

12" First flush diverters: Use 12" Schedule 40 PVC
Storage capacity: Each foot of 12" PVC holds approximately 6 gallons of water. (5.81463286 gal/ft)

 

Documents:

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