Dwyer Instruments DA-31-2-1 Pressure Switch Refrigerant Engineered with a single-diaphragm 17-4

Engineered with a single-diaphragm 17-4 PH stainless steel capacitive sensor

optimizing energy consumption across the hydronic circuit

If the switch is open and won't reset

which is critical for maintaining high mechanical efficiency and preventing premature bearing failure in commercial air handlers and condenser units

ensure compatibility with specific VS series components or high-temperature actuators

Dwyer Instruments DA-31-2-1 Pressure Switch Refrigerant Engineered with a single-diaphragm 17-4The 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