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Close up view of the sparge float, it is connected to the relay on the left in the waterproof control box. The relay on the right is for the original pump, both have ON-OFF-AUTO positions on the switches (above the relays) for manual and automatic operation of the pumps. The Lauter Grant is controlled by a latching feature wired into the 2nd pole on the relay that turns the pump on when the upper float switch goes on, but keeps pumping until the lower float switch opens and breaks the circuit. Both pumps have normal 120v 3-prong plugs on them and plug into a duplex outlet on the underside of the control box. On the lower right, you will see a 1/2" stainless solenoid valve, both motors have these wired to them, so the valves open when the motors are powered, keeping the mash from backflowing into the lauter gant or HLT hopefully these valves flow enough and we do not have to get mechanically operated ball valves..

File:	IMG_2203.JPG
Camera:	Canon EOS DIGITAL REBEL XT
Date/Time:	Wednesday, February 08, 2006, 10:11:17
Shutter speed:	1/60sec
Aperture:	f/4
Exposure mode:	Auto
Lens:	18 to 55mm @ 18mm
ISO:	400