Description
The Henry Technologies 7775 is a single-pole, double-throw (SPDT) air differential pressure switch engineered for reliable performance in HVAC and commercial building applications. Designed to monitor air pressure differentials across fans, filters, dampers, and air handling units, this switch provides dependable switching action to protect equipment and ensure proper airflow conditions.
Key Features
- SPDT switching action for versatile control circuit integration
- Pressure range: .17 to 1″ water column (“wc) for precise low-differential air monitoring
- Bottom 1/4″ male NPT connection for straightforward installation
- Side 1/4″ compression connection for flexible field plumbing
- FM (Factory Mutual) approved for use in safety-critical and commercial applications
- Compact, durable construction suited for demanding HVAC environments
Typical Applications
- Air filter monitoring and dirty-filter detection
- Fan proof-of-operation and airflow verification
- Damper position and duct pressure monitoring
- Air handling unit (AHU) safety and control circuits
- Commercial and industrial HVAC systems requiring FM-approved components
Specifications
- Model: 7775
- Switch Type: SPDT (Single-Pole, Double-Throw)
- Pressure Range: .17 – 1″ w.c.
- Bottom Connection: 1/4″ Male NPT
- Side Connection: 1/4″ Compression
- Approval: FM (Factory Mutual)
- Media: Air
- Brand: Henry Technologies
