Description
The Williams Comfort Products 7735 is a single-pole, double-throw (SPDT) air differential pressure switch engineered for reliable monitoring and control of air pressure differentials in HVAC and combustion systems. With a sensing range of .17 to 6 inches water column (“wc), this switch is well-suited for proving airflow, detecting filter loading, and safeguarding equipment in a wide variety of commercial and residential applications.
Key Features
- SPDT (Single-Pole, Double-Throw) switching action for versatile control circuit integration
- Wide differential pressure sensing range: .17–6″ w.c.
- 1/4″ compression fitting connections for secure, leak-free pneumatic hookup
- Compact, durable construction designed for long service life in demanding HVAC environments
- Suitable for airflow proving, filter status monitoring, and equipment protection applications
Specifications
- SKU: 7735
- Brand: Williams Comfort Products
- Switch Type: SPDT (Single-Pole, Double-Throw)
- Pressure Sensing Range: .17–6″ w.c.
- Connection Type: 1/4″ Compression Fittings
- Media: Air
Applications
- Airflow proving in furnaces, air handlers, and rooftop units
- Filter differential pressure monitoring and dirty-filter indication
- Fan/blower operation verification
- Safety interlock circuits in commercial HVAC and combustion equipment
