allowing technicians to set exact switching points for sensitive burner and HVAC applications

making it fully compatible with standard 208V/230V HVAC electrical configurations

Designed as a critical component for Utica and Dunkirk boilers

always verify the specific pinout and wire gauge requirements in the technical data sheet

providing the necessary phase shift for single-phase motor efficiency

Belimo EXT-OP-5502-250 Sensor R-22 allowing technicians to set exactThe Belimo EXT OP 5502 250 is a precision engineered Carbon Monoxide (CO) sensor designed for demanding commercial HVAC applications, specifically targeted at indoor air quality (IAQ) monitoring in parking garages and mechanical spaces. This duct mounted CO sensor utilizes an advanced electrochemical sensing element to provide high accuracy ppm readings, ensuring reliable integration with Building Automation Systems (BAS) via a standard 2 10V or 4