Description
The Cleveland Controls DDP-106-256 is a precision air pressure sensing switch engineered for reliable performance in HVAC and combustion control applications. Designed to monitor and respond to changes in air pressure, this switch changes contacts on decreasing pressure, making it ideal for proving airflow, detecting draft loss, or protecting combustion equipment.
Key Features
- Pressure sensing range of .05″ ± .02″ to 2″ w.c. for versatile application coverage
- Changes contacts on decreasing pressure from .15″ + 0.00″ w.c. / -.10″ w.c. setpoint
- Wide voltage compatibility: 120V–277Vac for flexible installation across commercial systems
- Maximum pressure rating of 1/2 PSI for safe, reliable operation
- Compatible with air and combustion by-products that will not degrade silicone
- Silicone-compatible wetted materials ensure long service life in combustion environments
Specifications
- Brand: Cleveland Controls
- Model / SKU: DDP-106-256
- Sensing Range: .05″ ± .02″ to 2″ w.c.
- Setpoint (Decreasing Pressure): .15″ + 0.00″ w.c. / -.10″ w.c.
- Voltage: 120V–277Vac
- Maximum Pressure: 1/2 PSI
- Media Compatibility: Air or combustion by-products that will not degrade silicone
Applications
- Airflow proving in HVAC air handling units
- Draft proving for combustion and boiler systems
- Fan and blower status monitoring
- Combustion safety interlocks
- Commercial and industrial HVAC control systems







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