https://buildings.honeywell.com/ca/fr/products/by-category/fire-life-safety/sensors-and-detectors/conventional-detectors/accessories/osid-accessories
OSID Accessories|Honeywell Building Automation
The heater, sun cover, dehumidification plate, and diagnostic module are accessories used for Open-area smoke imaging detection.
osid accessorieshoneywell buildingautomation