Description
The Cleveland Controls NS2-1049-05 is a precision air pressure switch designed for dependable airflow proving and safety interlock applications in commercial and residential HVAC systems. Factory-set at a 1.10″ w.c. (inches water column) set point, this switch provides consistent, repeatable performance to confirm proper airflow or detect blocked filters, failed blowers, and other air-handling faults before they cause equipment damage or unsafe operating conditions.
The included mounting bracket simplifies installation, allowing the switch to be securely fastened to ductwork, air handlers, furnaces, or other equipment surfaces without the need for additional hardware. Cleveland Controls is a trusted name in HVAC pressure sensing, and the NS2 series is widely used by OEM manufacturers and service technicians alike for its rugged construction and long service life.
Key Features
- Factory set point: 1.10″ w.c. (inches water column)
- Designed for airflow proving and safety interlock applications
- Includes mounting bracket for fast, secure installation
- Suitable for use in furnaces, air handlers, and commercial HVAC equipment
- Rugged construction for long-term reliability
- Cleveland Controls NS2 series — trusted by OEM manufacturers and service professionals
Common Applications
- Induced draft and forced draft furnace airflow proving
- Air handler and blower operation verification
- Filter restriction detection
- Safety interlock circuits in commercial HVAC systems
Product Specifications
- Brand: Cleveland Controls
- Model / SKU: NS2-1049-05
- Set Point: 1.10″ w.c.
- Includes: Mounting Bracket
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