Description
The Williams Comfort Products 7734 is a precision-engineered SPDT (Single-Pole, Double-Throw) air differential pressure switch designed for reliable monitoring and control of air pressure differentials in HVAC and combustion systems. With a wide sensing range of 0.17 to 6 inches water column (“WC), this switch is well suited for a variety of applications including proving airflow, monitoring filter status, and verifying draft inducer or combustion air blower operation.
The 7734 features a 1/4″ compression fitting and 1/8” NPT connections, making it straightforward to integrate into existing pneumatic or air-sensing circuits. Its SPDT switching action provides both normally open and normally closed circuit options, offering maximum flexibility for control wiring configurations.
Key Features
- SPDT (Single-Pole, Double-Throw) switching action for versatile wiring options
- Wide differential pressure sensing range: 0.17″ WC to 6″ WC
- 1/4″ compression fitting for secure, leak-free tubing connections
- 1/8″ NPT port connections for easy system integration
- Designed for air differential pressure sensing in HVAC and combustion applications
- Suitable for airflow proving, filter monitoring, and blower verification
Specifications
- Brand: Williams Comfort Products
- SKU / Part Number: 7734
- Switch Type: SPDT (Single-Pole, Double-Throw)
- Pressure Range: 0.17″ WC – 6″ WC
- Port Connection 1: 1/4″ Compression Fitting
- Port Connection 2: 1/8″ NPT
- Media: Air
Common Applications
- Draft inducer and combustion air blower proving
- Air filter differential pressure monitoring
- HVAC air handling unit airflow verification
- Furnace and boiler safety interlock circuits
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