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Experience precise control in your HVAC and refrigeration systems with the versatile Pressure Switch SPDT 0 to 20 psi from Dwyer. Featuring an Auto/Manual reset and programmable switch action, this pressure switch is designed for pump, level or compressor applications. With its SPDT configuration and range of 0 to 20 psi, the Pressure Switch offers precise sensing in various environments. Its compact design allows for easy installation and simple operation, making it a reliable choice for both residential and commercial settings. Upgrade your HVAC and refrigeration systems with this high-quality pressure switch from Dwyer and enjoy accurate pressure control today.