In the
event of low flow, your application may be starved of cooling fluids, causing
potentially costly damage. This optional flow alarm can be fitted where you
need an indication that the flow of fluid has failed. The switch is set at
1.5 litres per minute (other flow options are available). A lamp will
illuminate when a fault is detected and a buzzer will sound, if fitted. This
alarm option can be particularly helpful in cases where space is at a
premium.