The Kirk VK1200 level switch is built for commercial use. The VK1200 consists of an air bell that is connected with a plastic hose to a pressure switch that is built into a box.
In addition to the relay output, the VK1200 has an additional output that can give a signal/alarm if the water level becomes?extra high? for example if the power or pump fails or cannot keep up. 2/24 volts 20 Amps.
