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The Notifier NFX-TDIFF-IV is a Rate of Rise type Thermal Heat Detector for use with Notifier Analogue Addressable Fire Alarm Systems.
Please Note : This product is for purchase as a spare / replacement part for existing Notifier systems. Any extensions to existing systems or brand new systems MUST be commissioned by a Notifier ESD engineer in order to maintain the validity of the manufacturers warranty on the equipment. We can offer this service, please contact us for more details.