Description
The Cleveland Controls NS2-3055-01 is a precision air pressure switch engineered for dependable performance in commercial and industrial HVAC applications. With a set point of 1.00 +0.05″ W.C. (inches water column) and a pressure-rise high (PR-H) action, this switch closes upon sensing a rise in air pressure — making it ideal for proving airflow from blowers, draft inducers, and combustion air fans before allowing system operation to proceed.
Key Features
- Set point: 1.00 +0.05″ W.C. (inches water column)
- Action type: PR-H (Pressure Rise – High) — switch closes on pressure rise
- Orifice size: .016″ for accurate differential pressure sensing
- Part of Cleveland Controls’ trusted NS2 series air pressure switch line
- Designed for fan/blower proving, draft inducer proving, and combustion air verification
- Compact, reliable design suited for OEM and replacement applications
Typical Applications
- Combustion air blower and draft inducer proving in gas furnaces and boilers
- Fan/blower airflow verification in commercial HVAC systems
- Safety interlock circuits requiring confirmed air pressure before ignition
- OEM replacement in systems originally equipped with Cleveland Controls NS2-series switches
Why Choose Cleveland Controls NS2-Series
Cleveland Controls has been a trusted name in air pressure switch technology for decades. The NS2 series is widely specified by OEM equipment manufacturers and HVAC service professionals for its consistent set-point accuracy, rugged construction, and long service life. The NS2-3055-01 delivers the precise 1.00″ W.C. switching point needed to confirm adequate airflow and protect burner systems from unsafe operation.
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