Description
The Notifier FST-951H-IV is an intelligent addressable heat detector designed to detect high-temperature conditions in fire alarm systems. It uses a fixed 190°F thermal threshold to trigger an alarm, making it suitable for environments where elevated ambient temperatures are expected and traditional smoke detection may not be appropriate.
This detector communicates directly with a compatible Notifier fire alarm control panel via the signaling line circuit (SLC), allowing precise identification of device location and status. Its address is set using onboard rotary decimal switches, simplifying installation and system mapping.
Built with modern thermistor sensing technology, the FST-951H-IV provides fast and reliable heat detection while maintaining a low-profile, aesthetically clean design. The unit plugs into a compatible base, allowing for easy installation, maintenance, and detector interchangeability across different sensor types.

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