This DELUXE system will harvest rainwater offf a 200sqm roof and recover 200000 liters of water per annum that can be  converted into potable water, effectively substituting municipal water with urified rainwater. 

The system can be installed for between R49 000 and R55000 and consist of the following:

1. 2 - 5000l vertical rainwater tanks installed. (Customer to supply solid base) These tanks will be interconnected
a. Tanks will have overflows installed and are insect and rodent proof.
b. Tank level meter so you can always see the water level in the tank.
c. Low disturbance inflow into the tank. The bio-layer that forms inside the tank should not be disturbed by incoming water and we have designed a system that will not disturb the bio-layer resulting in cleaner naturally purified water.

2. Modifications and changes to the gutters to accommodate filter collectors. We will connect your gutters with 80mm piping.

3. Two - WISY RS raincollectors connected to the gutter downpipes to screen out any debris that is on the roof thus preventing it from entering the tanks. The screen also act as insect proofing for the rainwater tanks.

See this video of how the raincollector works

4. 1 - Independent first flush systems for the roof sections that will divert the first amount of rainwater from the roof and prevent it from going into the tanks. This water contains dust, bird dropping etc. and you do not want it to flow into the tanks

5. 1 - 220V high pressure booster pump with a pressure cut off and float switches – all which will be correctly sized for your household requirements. The system will deliver an average water pressure of 3.5 bar to your houses' water supply.
a. Note - customer must supply 220V external plug connection at installation point.

6. 1 –frame mounted filtration system which will consist of
a. 1 - Stainelss steel frame 1.2 x 0,65 and 0.9m high
b. 2 – 20inch – pleated cartridge filters
c. 1 – 20 inch Activated carbon and KDF media filter
d. 1 correctly sized UV light sterilizer that will kill all bacteria in the water.
e. Gauges, valves and drain valves
f. Blue PVC pressure pipe
g. Water meter and accessories
i. Frame will be covered with clear polycarbonate sheeting to protect it from the elements.

Booster filtration system with 60l pressure tank

7. 1- Backflow valve and connection to the municipal supply (Max 4m of piping)
a. This system is a legal requirement when a rainwater harvesting system is connected to the municipal supply
i. It prevents rainwater from flowing back into the municipal supply and at all times maintains a physical air gap between the two types of water.

backflow valve installation 5

8. The system will be connected and commissioned where after pressure and water quality will be checked. Included in the cost will be one detailed water sample analysis by an accredited laboratory in Cape Town. This will ensure that you have peace of mind that your system is working and the quality of water meets drinking water requirements.

9. We will inspect and monitor the performance of your system every six months in the first year of installation.


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