The Notifier FDX-551HTEM was an analogue addressable fixed temperature heat detector.  This detector had a fixed temperature setting of 78 degrees celcius.  The Notifier FDX-551HTEM is now obsolete and has been replaced by the Notifier NFX-TFIX78-IV.  This sensor has the same ivory colour as the old sensor and is backwards compatible so it can be used as a direct replacement for the old device.  It uses the same B501 range of detector bases, so the base doesn't need to be changed.  For more information on the Notifier FDX-551HTEM call us NOW on 01200 428 410.
Notifier FDX-551HTEM Heat Detector

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Along with the heat detectors we can also supply the full range of European Notifier protocol detectors.  This range includes smoke, heat and multi-criteria sensors suitable for use on Notifier protocol analogue addressable fire alarm control panels.

The Safety Centre can also offer a commissioning service for Notifier Fire Alarm Systems.

If you're interested in this sensor you may also be interested in our Briton 996 Fig 1/61 and Briton 996 Fig 66 overhead door closers.