Sell Air sensing switch

Air sensing switch You May Also Be Interested In: air sensing switch air switch snap switch
The LFAS employs a differential pressure to actuate a precision snap switch at chosen pressure setting. This may be the difference between atmospheric and a negative or positive pressure or between any two given pressures.
Typical Applications:
Detects air flow in forced draught appliances
Signals either positive, negative or zero air movement
Shut down burner in blocked flue conditions
Guards against poor or hazardous combustion
Indicates dirty or inefficient filters