Air Products and Controls
Shop APC at Jackson Systems & Supply for duct smoke detectors (including RT-3000 NEMA 4X models), remote key/test annunciators, relays, sampling tubes, and related accessories.
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About Air Products & Controls (APC)
APC designs duct smoke detection and control accessories for HVAC life-safety—centered on photoelectric duct detectors with installer-friendly features (e.g., no-tools tube loading), compatible remotes for accessible test/annunciation, and a broad relay line for clean low-voltage interfacing. Weather-tight NEMA 4X housings and serviceable designs help contractors shorten maintenance and keep occupants/equipment protected.
