Tyco / ADT SM520 M520 Sounder Module 577.001.032. They are unused and boxed older stock. We have thousands of other Fire Alarm Parts in stock.. Fire Alarm Parts Ltd. All items are in stock and ready to send. The item “£48 Tyco / ADT SM520 M520 Sounder Module 577.001.032″ is in sale since Friday, January 06, 2017. This item is in the category “Home, Furniture & DIY\Security & Home Automation\Fire Alarms/ Smoke Detectors”. The seller is “fire_systems” and is located in Huddersfield, West Yorkshire. This item can be shipped worldwide.
- Alarm Type: Fire Alarms
- Sub-Type: ADT
- Brand: Tyco
- MPN: SM520
- Unit Quantity: 1