The Belimo 22G0214‑5B Gas Monitor Auxiliary Switch is a 24 V AC/DC air-quality sensor designed to detect carbon monoxide (0–250 ppm) and nitrogen dioxide (0–10 ppm). Factory-calibrated, it features dual SPDT relays to activate auxiliary devices and supports CAN bus and BACnet MS/TP for BMS integration. Suitable for mechanical rooms or parking garages, it protects occupants by triggering audible and visual alarms and enabling on-demand ventilation. Key benefits include improved safety, energy efficiency, remote monitoring, reliable performance, and a five-year warranty—ideal for commercial HVAC systems.

For an efficient and reliable HVAC system, the Belimo Gas Monitor Auxiliary Switch » is a great choice for optimal system performance.

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https://www.partshnc.com/22g0214-5b-belimo-2-spdt-gas-monitor-auxiliary-switch-0-10ppm »