Description
The Cleveland Controls NS2-1832-00 is a single-pole, single-throw (SPST) negative pressure switch designed for dependable airflow proving and safety interlock applications in commercial and residential HVAC systems. Factory-set at a setpoint of -0.80″ water column (WC), this switch is engineered to monitor negative duct or cabinet pressure and interrupt or enable a control circuit when the pressure threshold is reached.
Key Features
- SPST switching action for straightforward open/close circuit control
- Factory-set negative pressure setpoint of -0.80″ WC
- Designed for airflow proving, draft proving, and safety interlock applications
- Compact, rugged housing suitable for OEM and field replacement installations
- Compatible with gas furnaces, air handlers, and commercial HVAC equipment
Typical Applications
- Induced draft and forced draft furnace pressure proving
- Air handler and blower compartment negative pressure monitoring
- Safety interlock circuits requiring pressure confirmation before ignition
- OEM equipment integration and field service replacement
Why Choose Cleveland Controls
Cleveland Controls has been a trusted name in pressure switch manufacturing for decades, supplying OEM and aftermarket components to the HVAC industry. The NS2 series is widely recognized for its consistent factory calibration, long service life, and broad compatibility with major equipment brands. The NS2-1832-00 is a reliable drop-in solution for technicians and engineers who need accurate, repeatable pressure switching performance.







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