McDonnell & Miller FS7-4W

McDonnell & Miller FS7-4W flow switch is a rugged, 1-1/4-inch industrial flow switch designed for demanding environments. The 120201 model features a NEMA 4X enclosure, delivering durable protection against dust, moisture, and corrosion in boiler rooms and other industrial settings. This water-flow monitoring device provides reliable detection to trigger control circuits and protect pumps, boilers, and associated equipment. Built for long-term reliability, the FS7-4W offers straightforward integration with standard control systems and maintenance-friendly service options.

• Size: 1-1/4" flow switch for industrial flow monitoring
• Enclosure: NEMA 4X rugged enclosure for harsh environments
• Model: 120201 for easy identification and service
• Application: suitable for boilers, pumps, and process lines requiring reliable flow detection
• Reliability: industrial-grade design delivers long-term performance

Choose the McDonnell & Miller FS7-4W flow switch to ensure dependable water flow monitoring and protection across your system.