System was upgraded. Still a good working system The Honeywell Fire Alarm System Sub-assembly NAC expander is a unit designed for expanding the capabilities of a fire alarm system. As a component within the fire protection equipment category, this product is essential for maintaining safety and security in various industrial and commercial settings. The Honeywell brand ensures quality and reliability in the realm of fire alarms, making this product a valuable addition to any facility's maintenance and safety measures.m
