Dwyer Instruments 1950-20-2F Pressure Switch 340793-762 the BBIZE-15-ZGA is specifically calibrated

the BBIZE-15-ZGA is specifically calibrated for R-410A refrigerant properties and higher operating pressures

this rugged pillow-block bearing ensures precise shaft alignment and reduces rotational friction

but inspecting for ceramic cracks or tip erosion during annual maintenance is recommended

Replacing a faulty refrigerant pressure control with this 300 PSI high pressure cutout ensures the system adheres to original design parameters and safety standards

ensuring broad compatibility across the Marley product line

Dwyer Instruments 1950-20-2F Pressure Switch 340793-762 the BBIZE-15-ZGA is specifically calibratedThe 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.