Description
The Cleveland Controls NS2-1189-00 is a dependable air pressure switch engineered for use in commercial and residential HVAC air handling systems. Designed to monitor and respond to changes in air pressure, this switch helps protect equipment and ensure proper system operation by confirming airflow conditions before allowing downstream components to energize.
Key Features
- Reliable air pressure sensing for HVAC air handling units and duct systems
- Designed to verify airflow presence, protecting equipment from operating under unsafe or no-flow conditions
- Compact, rugged construction built for long-term performance in demanding HVAC environments
- Easy field installation with straightforward wiring connections
- Part of Cleveland Controls’ trusted NS2 series of pressure switches
Typical Applications
- Air handling units (AHUs)
- Fan proving and airflow verification circuits
- Commercial HVAC control systems
- Blower and inducer proving applications
Why Choose Cleveland Controls
Cleveland Controls has been a trusted name in HVAC pressure sensing and control products for decades. The NS2 series air pressure switches are widely used by HVAC contractors and mechanical engineers for their consistent performance, straightforward installation, and reliable operation across a broad range of air system applications.
Ordering Information
- Brand: Cleveland Controls
- Model / SKU: NS2-1189-00
- Product Type: Air Pressure Switch







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