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

this ZA2494H3 model features a 3W/2W power rating

For multi-stage heating

preventing liquid slugging while maximizing heat exchange efficiency through the coil

For HVAC blower shaft replacement

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