Dwyer Instruments MARK II-25 Manometer 323055-751 adjustable vacuum breaker that facilitates

adjustable vacuum breaker that facilitates the rapid evacuation of water from the float chamber when the blow-down valve is cycled

Enhanced Efficiency: Optimizes current flow to the compressor motor to reduce amperage draw

Tenant Control: Includes a momentary push-button override to request occupancy schedule changes without accessing the secondary controller

The yellow dot identifier on the closed-face sensor indicates its specific temperature rating

permitting the motor to be mounted in any orientation—shaft up

Dwyer Instruments MARK II-25 Manometer 323055-751 adjustable vacuum breaker that facilitatesThe Dwyer Instruments MARK II 25 Manometer is a reliable, professional grade inclined vertical manometer designed for high accuracy pressure monitoring in HVACR systems. Built with a virtually indestructible white styrene acrylonitrile housing, this 0 to 3" W. C. range instrument utilizes a curved tube design to provide expanded scales with easy to read increments at low pressure levels. As a veteran technician knows, the precise 3% full scale