Description
The Dwyer Instruments CXA-S1 N/C Water Pump Pressure Switch is a pressure-actuated control component used to monitor and regulate pump operation in compatible water, and fluid system. Rated for a 1580 PSI operating range with a 1/4″ FPT connection it operates as a pumping equipment controlled by responding to pressure changes and triggering electrical switching for stop conditions in HVAC systems. Its role within the assembly includes supporting automatic pump control assisting with pressure-based system regulation, and helping maintain stable operational performance in water circulation, and related applications.









