Catalog > System Sensor APA151 Remote Annunciator ...

Verified: January 13, 2026

System Sensor APA151 Remote Annunciator HVAC Alarm Panel

~$67.13

The System Sensor APA151 Remote Annunciator is a panel designed to display and annunciate HVAC alarms from a central fire alarm control panel.

Key Specifications

  • Compatibility: Works with most HVAC alarm systems
  • Voltage: 24 VDC
  • Display: LED indicators for alarm status
  • Mounting: Surface mount
  • Enclosure: Sturdy plastic housing
  • Communication: RS-485 communication protocol
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