Emerson Flow Control (Alco) 099022 Low Pressure Control Auto Reset 9" HG-102 PSI

The Emerson Flow Control (Alco) 099022 Auto Reset, Low Pressure Control 9” Hg/102 PSI is a safety instrument that is used to control low pressure in HVAC and other systems. This low-pressure control switch works under pressure from 9 inches of mercury HG to 102 PSI. It constantly checks on the pressure of the system and sounds a bell or takes necessary actions when pressure drops below the set low pressure level. This eliminates system damage, reduces the time the system takes to be out of service and improves the reliability of the system.