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What is a Rains to Mains/Rainbank Changeover device?
Quite simply a Rains to Mains Changeover Device is a valve that harvest rainwater from a tank to be used for household application like toilets and laundry. This device will automatically switch to Mains Water Supply when it senses there is insufficient water in the tank.
Most Rains to Mains Changeover Devices will work with a pressure controller and will auto restart. There is no requirement for a float switch.
The devise is small in size, approximately 150mm long and 120mm high. They often sit on top of a pressure pump but they can also be positioned against a wall or other places that best suits the set up. Read the rest