These devices redirect wastewater from the existing system to a greywater filter system and dispersal area. A variety of devices are available and examples of these are shown below. All diverters used by GRS are either UV stabilised or not affected by Ultra Violet radiation, such as brass valves.
Ball Valve Diverter
Ball Valve Diverter This device permits the householder to manually direct wastewater to the greywater reuse system by opening and closing ball valves.
The ball valves can be made of brass or of UV stabilised PVC or polypropylene. The valves are operated manually, opening or closing the two ball valves, so that a person deliberately diverts greywater from the existing septic or sewer line to the reuse area.
This also permits the householder to allow the wastewater to continue to be sent to the septic or sewer should this be necessary or desirable.
Rotary Valve Diverter
Rotary Valve Diverter The 40/50 mm 3 way rotary valve is an off-the-shelf irrigation water diverter which requires adaptors to permit DWV 40 mm or 50 mm pipe connection.
It is made from UV-stabilised plastic. The valve comes with a red caution tab which should be fitted to the valve to ensure that the operator does not close the inlet water flow at any time. Turning the handle in this direction will prevent all wastewater flow from the house fixture/supply.
Turning the handle in the direction of the pipe will deliver greywater toward the existing system or to the reuse system.
Pushpull Diverter This diverter, a 50 mm valve is primarily used in the irrigation/reticulation industry, and thus requires adaptors to convert the pressure fittings to enable DWV connection.
The push-pull knob is moved into the appropriate position to enable wastewater to be diverted to the reuse system or continue to the existing septic or sewer system.
The plastic is UV stabilised. The knob is pushed in towards the body to re-establish wastewater flow to the existing system. You pull the knob out to re-divert wastewater to the reuse system.
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Greywater Reuse Systems (GRS) became Water Installations Pty Ltd in 2007.
GRS still operates the part of the business that deals with the manufacture, supply and installation of greywater systems.
GRS have many systems approved for use in WA, some of which can be found at the retail outlet at Unit 1, 18 Wandeara Crescent, Mundaring.
Ross Mars is the Managing Director of Water Installations Pty Ltd.
He is a well-known Western Australian educator, writer and course and workshop presenter.
He completed a PhD in Environmental Science at Murdoch University in 2001.
His research centred on the use of native wetland plants to strip nutrients from domestic greywater.
Ross also has qualifications in Permaculture, and offers general Permaculture courses (Permaculture Design Course) as well as Accredited Permaculture Training.
Details of these can be found on his Candlelight Farm website.