is a specialized dual-action high-low gas pressure switch designed for critical monitoring in industrial and commercial HVACR applications

Utilizing a genuine Sensus replacement part ensures the unit maintains its positive dead-end lockup characteristics and accurate pressure factor measurement

Rated for a 10 PSI max inlet pressure and factory-equipped with a 4-12" w

Universal Compatibility: Fully interchangeable with the J991MDA-2H model for seamless integration into existing gas trains

Emerson Alco 048816 Indicator 321894-706 is a specialized dual-action high-lowThe Emerson Alco 048816 (Model AMI 1SS9) is an essential diagnostic component for commercial refrigeration and air conditioning systems requiring precise moisture monitoring. Designed with a 1 1 8" ODF sweat connection, this moisture liquid indicator provides a clear visual signal of the refrigerant's state and moisture content. With a 650 PSI maximum working pressure, it is engineered for high pressure durability across CFC, HCFC, and HFC