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PRODUCT DETAILS
Protect your rainwater quality by diverting
the "first flush" of the most contaminated
water from your roof away from your
rainwater tank
WDDP01 90mm
WDDP02 100mm
rainharvesting.com.au
First Flush Downpipe
Installation and Specification Guide
FEATURES AND BENEFITS
•
Minimise the fine and dissolved organic
and inorganic particles entering your tank
•
Reduce sediment build-up in your tank and
sediment load on your post-tank pumps
and filtration systems
•
Protect household fixtures and appliances
(ie. washing machines, toilet cisterns, etc.)
by lowering sediment and tannin deposits
•
Reduce nutrient load in your tank to limit
anaerobic fermentation and algae growth
•
Diversion volume easily custom built
through use of standard pipes.
•
Automatic reset valve drains after rainfall
events
•
Comes in kit form
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Related Manuals for Blue Mountain RAIN HARVESTING WDDP01
Summary of Contents for Blue Mountain RAIN HARVESTING WDDP01
- Page 1 First Flush Downpipe Installation and Specification Guide PRODUCT DETAILS FEATURES AND BENEFITS • Minimise the fine and dissolved organic Protect your rainwater quality by diverting and inorganic particles entering your tank the “first flush” of the most contaminated • Reduce sediment build-up in your tank and water from your roof away from your sediment load on your post-tank pumps rainwater tank...
- Page 2 Installation PRODUCT DIMENSIONS WHAT’S IN THE BOX? WHAT’S IN THE BOX? WDDP01 90mm WDDP02 100mm Ball Seat x 1 Flow Control Valves x 8 Plastic Filter Screen x 1 Pipe/wall Bracket x 2 Tee Junction x 1 DN90 F Sealing Ball x 1 DN100 F Screw Cap, Hose Connector &...
- Page 3 100MM MODEL CONT. POLLUTION FACTORS Place the ball inside your first flush unit through the upper end of the diversion chamber POLLUTION FACTOR FOR THE ROOF pipe. MINIMAL POLLUTION SUBSTANTIAL POLLUTION 10. Apply glue to the T-junction and upper end of the diversion chamber pipe and insert the pipe into the junction and hard up against the ball seat, holding until the glue sets.
- Page 4 REFERENCE CHART 90MM MODEL CONT. Insert the ball seat into the T-junction, with the narrow end of the seat facing down. REFERENCE CHART Diverter Chamber Chamber Inlet Pipes/Wall Brackets IMPORTANT: Insert the ball seat into the ‘T’ In-feed from the roof Chamber Outlet Plastic Filter Screen small end down into the chamber...
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