Description
Cleveland Controls RFS-4001-110 Adjustable Pressure Switch Overview
The Cleveland Controls RFS-4001-110 is a precision-engineered, field-adjustable pressure switch designed for reliable performance in HVAC and building automation applications. Built to change contacts on increasing pressure, this switch provides dependable control and safety monitoring across a wide range of air pressure conditions.
Key Features
- Adjustable setpoint range: .15″ w.c. ± .05″ to 20.0″ w.c. (inches water column)
- Changes contacts on increasing pressure for reliable rise-triggered switching
- Maximum pressure rating: 1/2 PSI
- Wide adjustment range suits diverse HVAC system configurations
- Compact, durable construction for long-term field reliability
- Suitable for air pressure monitoring in fans, blowers, and duct systems
Application
The RFS-4001-110 is ideal for use in commercial and industrial HVAC systems where monitoring and controlling air pressure is critical. Common applications include proving airflow in air handling units, monitoring duct static pressure, and providing safety cutout functions for blower and fan systems. The wide adjustable range makes it a versatile single-switch solution across multiple system types.
Specifications
- Brand: Cleveland Controls
- Model / SKU: RFS-4001-110
- Switch Type: Adjustable Pressure Switch
- Switching Action: Change contacts on increasing pressure
- Setpoint Range: .15″ w.c. ± .05″ to 20.0″ w.c.
- Maximum Pressure: 1/2 PSI







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