Silent Knight SD505-AHS This is an analog heat detector. Brand Silent KnightModel SD505-AHSManufacturer Silent KnightType Heat Detector
Space Age AV32 Category : Space Age ElectronicsI have no idea why there is no fire lettering on this unit
Potter FA-50 Category : PotterI’m not sure who was the actual manufacturer for this pull; I’ve seen it rebranded by Spurling, Honeywell, and many...