Dwyer Instruments, Inc. V4-2-U-V-CN Flow Switch

The Dwyer FloTECT V4-2-U-V-CN Flow Switch from Dwyer Instruments’ FLOTECT family is a flow-monitoring device that senses fluid movement in a piping system and actuates its electrical contacts accordingly. This model, V4-2-U-V-CN, is rated for 125/250 VAC operation, making it compatible with standard line‑voltage control circuits and capable of driving pumps, alarms, or other equipment when flow conditions change. As part of the FLOTECT line, it provides reliable flow detection suitable for integration into automation or safety interlocks in various process or HVAC applications. Use this flow switch to monitor flow presence or absence and to trigger control logic or signaling, ensuring operations respond promptly to changing flow conditions.