The Desired "ON" or "OFF" differential is obtained by simply lengthening or shortening the free cord length between float switch and cord fixation point.
"ON" or "OFF" switch action may be adjusted to any desired liquid level by moving the cord fixation in up or down direction.
The float switch Reifa is a switch which regulates fluid level in the tank or well etc. The float switch Reifa is resistant to water (Sewage Water), it is relative capable of being used for oil, most acids and alkails, see the list of chemical stability. The floatswitch is not explosion proof.