Description
The Cleveland Controls FS-751-112 is a precision-engineered SPDT air flow switch designed for reliable detection of airflow in HVAC, combustion, and ventilation systems. Fixed to operate on pressure rise, this switch provides dependable proof-of-flow sensing to protect equipment and ensure safe system operation.
Key Features
- SPDT (Single-Pole, Double-Throw) switching action for versatile control circuit integration
- Fixed setpoint — operates on pressure rise at .05″ ± .02″ w.c. for consistent, repeatable performance
- Wide voltage compatibility: 120–277Vac for use across a broad range of commercial and industrial applications
- 1/4″ barbed connections for easy, secure tubing attachment
- Maximum pressure rating of 1/2 PSI, suitable for low-pressure air and combustion by-product sensing
- Compatible with air and combustion by-products that will not degrade silicone internal components
Application
The FS-751-112 is ideal for use in air handling units, furnaces, boilers, and other combustion equipment where proof-of-airflow is required before ignition or continued operation. Its low-pressure setpoint makes it well-suited for detecting airflow in duct systems, draft inducer proving, and combustion air verification.
Specifications
- Model: FS-751-112
- Switch Type: SPDT
- Operating Setpoint: .05″ ± .02″ w.c. (pressure rise)
- Voltage Rating: 120–277Vac
- Connection Type: 1/4″ Barbed
- Maximum Pressure: 1/2 PSI
- Compatible Media: Air or combustion by-products that will not degrade silicone
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