Carbon Monoxide Detector, Duct ABS, Two Relays, Modbus Communication

Carbon Monoxide Detector, Duct ABS, Two Relays, BACNet Communications

Carbon Monoxide Detector, Duct ABS, Two Relays, No Communication

Carbon Monoxide Detector, Duct ABS, One Relay, Modbus Communication

Carbon Monoxide Detector, Duct ABS, One Relay, BACNet Communications

Carbon Monoxide Detector, Duct ABS, One Relay, No Communication

Carbon Monoxide Detector, Duct ABS, No relay, Modbus Communication

Carbon Monoxide Detector, Duct ABS, No relay, BACNet Communications

Carbon Monoxide Detector, Duct ABS, No relay, No Communication