![McDonnell & Miller FS7-4W Flow Switch — New England Supply House spec card [NESH-SPEC-CARD-V2]](http://newenglandsupplyhouse.com/cdn/shop/files/spec-9032871182558.png?v=1782845415&width=1445)
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.
Specifications
| Catalog Number | 120201 |
|---|---|
| Pipe Size | 1-1/4 in. |
| Enclosure | NEMA 4X industrial |
Cross-Reference & Compatibility
| Alternate part numbers | 120201 |
|---|