Detectors for Special Applications Below you will find all of our Fire Alarm System documents for Detectors for Special Applications. Click a link to download the document. Linear Heat Detectors Linear Smoke Detectors Air Duct Detectors Aspirating Smoke Detectors - Titanus Aspirating Smoke Detectors - Titanus Accessories Aspirating Smoke Detectors - FAAST Flame and Heat Detectors Aspiration Smoke Detectors - VESDA Gas Detectors