The Cleveland Controls DFSH-CO is a fixed setpoint differential pressure sensing switch designed for dependable pressure monitoring in a wide range of HVAC and building automation applications. With a factory-set trip point of 0.4″ w.c. (water column), this switch provides consistent, repeatable performance without the need for field calibration — making it an ideal solution for proving airflow, monitoring filter status, fan operation verification, and other pressure-differential sensing tasks.
Key Features
- Fixed setpoint at 0.4″ w.c. (water column) for consistent, calibration-free operation
- Designed for differential pressure sensing in HVAC air-handling and ventilation systems
- Compact, durable construction suited for commercial and light industrial environments
- Suitable for airflow proving, fan operation verification, and filter monitoring applications
- Easy field installation with straightforward wiring connections
Typical Applications
- Air handler and fan proving circuits
- Filter differential pressure monitoring
- Ventilation system airflow verification
- Building automation and HVAC control systems
Why Choose Cleveland Controls
Cleveland Controls has a long-standing reputation for manufacturing high-quality pressure and airflow sensing devices trusted by HVAC professionals across commercial and industrial markets. The DFSH-CO reflects that commitment to precision and reliability, offering a plug-and-play fixed setpoint solution that simplifies system design and reduces installation time.
