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Step 4Making the cut off switch mechanism in the collector tubes.
The cut off switch in the bottom pipe is basically a magnet on a pivoting arm. A bull cock. And a reed switch on the outside of the tube.
When the water level rises the ball cock pulls on the arm which moves the magnet against the side of the tube.
When the water level drops the arm drops back down and moves the arm away from the side of the pipe.
This I bolted to an end cap to be fitted in the bottom of one of the collection tubes.
With a 15mm fitting to supply water to the pump.
When the water level rises the ball cock pulls on the arm which moves the magnet against the side of the tube.
When the water level drops the arm drops back down and moves the arm away from the side of the pipe.
This I bolted to an end cap to be fitted in the bottom of one of the collection tubes.
With a 15mm fitting to supply water to the pump.
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