Cleveland DDP-109 Air Pressure Sensing SwitchThe Cleveland DDP 109 Air Pressure Sensing Switch delivers precise control for industrial air systems with its 2SPDT dual setpoint design and a selectable range of. 05" to 2" W. C. (Model 20742). This rugged switch is built for reliable operation in HVAC, pneumatic conveying, and process control applications, providing crisp on off decisions based on pressure thresholds. The compact sensor fits standard panels and offers stable switching

Model family: NS2000000 series for robust performance

ensuring smooth sample transfer and reliable readings

steel gears

Durable steel body construction for rugged environments

Furnace control: Integrated fan control for accurate blower operation

manual reset safety feature

the HK44ER240 with ECM X-13 MTR Control delivers consistent airflow regulation across varying loads

vibration-resistant connections

making it a versatile choice for modern furnaces

this replacement fan minimizes vibration and delivers quiet operation to keep spaces comfortable

Compatibility: fits AO Smith 9004420105 and related natural gas valve assemblies

5 Milliamp