The Schneider Electric Water Flow Switch CP-LI-FL-SW-NPT0 is an NPT-threaded inline paddle-type flow switch designed for chilled water, hot water, and condenser water piping in HVAC systems. It provides a reliable digital on/off flow confirmation signal to protect hydronic equipment and control sequences.

• Part Number: CP-LI-FL-SW-NPT0
• Thread Type: NPT (National Pipe Thread)
• Switch Type: Paddle/vane-actuated SPDT
• Media: Water, water-glycol mixtures
• Contact Rating: 250 VAC, 5A
• Enclosure: IP65

Used as safety interlocks on chillers, boilers, heat pumps, and AHU coils to confirm adequate water flow before enabling refrigeration or heating cycles. Prevents chiller barrel freeze-up, boiler dry-fire, and coil damage caused by low or no-flow conditions. Also used on domestic cold and hot water services for leak detection and pump confirmation.