Catalog > Siemens OH921 S54320-F6-A2 Smoke Detecto...

Verified: January 13, 2026

Siemens OH921 S54320-F6-A2 Smoke Detector - DPU Tested - Free Programming!

~$34.95

The Siemens OH921 S54320-F6-A2 is a smoke detector that has been DPU tested and comes with free programming services.

Key Specifications

  • Compatibility: Siemens fire alarm systems
  • Voltage: 24 VDC
  • Type: Photoelectric
  • Mounting: Standard base
  • Sensitivity: Adjustable
  • Operating Temperature: 32°F to 120°F
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