Description
The Honeywell AP5210-30 is a precision-engineered air flow switch designed for dependable airflow detection and proof-of-flow applications in commercial and residential HVAC systems. With a wide sensing range of 0.3 to 12 inches water column (w.c.), this switch accommodates a broad spectrum of duct static pressure conditions, making it a versatile solution for air handlers, blowers, and ventilation systems.
The single pole single throw (SPST) switching configuration provides a clean, reliable circuit make or break upon detecting airflow, ideal for fan proving, interlock control, and safety shutdown applications. Compression fittings ensure a secure, leak-free connection to sensing tubes or duct taps without the need for special tools, simplifying installation and field service.
Key Features
- Wide pressure sensing range: 0.3 to 12″ w.c. for versatile application coverage
- Single Pole Single Throw (SPST) switching action for straightforward circuit control
- Compression fittings for quick, secure, and leak-free tubing connections
- Suitable for fan proving, airflow interlock, and safety control applications
- Compact, durable construction built for long-term HVAC system reliability
- Compatible with standard sensing tubes and duct pressure taps
Specifications
- Model: AP5210-30
- Brand: Honeywell
- Pressure Range: 0.3 – 12″ w.c.
- Switch Type: Single Pole Single Throw (SPST)
- Connection Type: Compression Fittings
- Application: Air flow / differential pressure sensing
Application
The AP5210-30 is ideal for use in air handling units, rooftop units, and duct systems where proof of airflow is required for safe and efficient operation. It can be used to confirm blower operation before enabling heating or cooling stages, protecting equipment from running without adequate airflow.
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