Dwyer Instruments DA-31-2-1 Pressure Switch 320720-756 eliminates the need for time-consuming

eliminates the need for time-consuming field wiring and reduces the risk of phase or polarity errors during installation

this 70W compressor heater prevents liquid refrigerant from mixing with the lubricant

while the drag chain suitability supports over 5 million bending cycles for dynamic installations

Attempting to bypass the DC signal will damage the control board and compromise the system's pressurized refrigerant cycle

Dwyer Instruments DA-31-2-1 Pressure Switch 320720-756 eliminates the need for time-consumingThe Dwyer Instruments DA 31 2 1 Pressure Switch is a high sensitivity control solution designed for demanding mechanical HVAC and process equipment applications. Featuring a durable brass bourdon tube, this DA series pressure switch provides exceptional repeatability of 1% across its full range. This specific model is a mercury switch configuration, offering a single pole single throw (SPST) contact that is open on increase (open on rise). With an