15 Flow Switch For Chiller : 7 Training Exercises You Should Do EVERY DAY At Home!. The relay output from a flow switch can shut down the chiller to prevent costly repairs. What is the flow switch?
Chiller flow switches can be either air or liquid types, depending on the compression system a given cooler is designed to use. Flow switch sizes and voltages. Flow switch that can turn on or off a heater, chiller, alarm, pump, etc., up to 2 hp (@ 230v).