Dwyer Instruments A3000-00 Pressure Switch/Gage 321894-708 This assembly is the standard

This assembly is the standard solution for addressing worn suction valves or damaged discharge ports during a scheduled compressor teardown or emergency field repair

42" air pressure switch (1

It stores excess liquid refrigerant during the heating cycle and releases it back into the system during cooling to ensure proper subcooling and superheat levels

Field Reliability: Designed specifically for the demands of industrial and commercial pneumatic control cycles

Dwyer Instruments A3000-00 Pressure Switch/Gage 321894-708 This assembly is the standardThe Dwyer Instruments A3000 00 is an industry standard Photohelic pressure switch gage designed for precise differential pressure control in critical HVACR environments. This 2 in 1 instrument integrates a time proven Magnehelic gage with high performance low high pressure switches to monitor and regulate positive, negative, or differential pressures. Engineered for air and non combustible gases, it provides a 0 0. 25" w. c. range with a 4" dial face