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Verified: January 13, 2026

Siemens Pyrotronics FDOOTC441 Detector Combo Smoke Heat Carbon Monoxide Fire CO

~$225.00

The Siemens Pyrotronics FDOOTC441 is a multi-sensor detector that combines smoke, heat, and carbon monoxide detection capabilities in one unit, designed for comprehensive fire and CO protection.

Key Specifications

  • Compatibility: Siemens Pyrotronics fire alarm control panels
  • Voltage: 24 VDC
  • Type: Multi-Sensor (Smoke, Heat, CO)
  • Mounting: Standard 4-inch square box
  • Detection Method: Photoelectric smoke, Heat, Electrochemical CO
  • Operating Temperature: 0°C to 49°C (32°F to 120°F)
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