Dwyer Instruments 1950-20-2F Pressure Switch 320720-756 making it compatible with high-pressure

making it compatible with high-pressure refrigerants like R-410A as well as R-134a and R-404A systems

it is designed to work with the standard run capacitor specified in your service manual

Can I adjust the timing delays on this model

This model is rated for an operating temperature range of -40°F to 210°F (-40°C to 100°C)

the heater is energized through a set of auxiliary contacts when the compressor is idle and de-energized via the contactor once the system starts

Dwyer Instruments 1950-20-2F Pressure Switch 320720-756 making it compatible with high-pressureThe Dwyer Instruments 1950 20 2F Pressure Switch is a trade standard solution for monitoring differential pressure in hazardous locations. Engineered as an explosion proof alternative to the Series 1900, this unit integrates a weatherproof housing that meets NEMA 3, 7, and 9 ratings. With an adjustable range of 4 to 20" w. c. and a tight deadband of 0. 40 to 0. 60, it provides precise control for HVAC systems, fan proof of flow, and filter monitoring.