Verified: January 13, 2026

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

Name: Siemens OH921 S54320-F6-A2 Smoke Detector - DPU Tested - Free Programming!
Brand: Siemens
Price: 34.95 USD
Availability: InStock
Rating: 4.7 (29 reviews)

~$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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