D2

D2-AUS Duct Housing

Conventional duct housing with 2151 detector, no relay, no tube
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D4120

D4120 Duct Detector

4-Wire Photoelectric + Relay Duct Smoke Detector (stand-alone only)
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dnrw

D4120W Weatherproof Duct Detector

Waterproof 4-Wire Photoelectric Duct Smoke Detector. Fitted with auxiliary relay with two form C (change-over) contacts.
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DST 1

Sampling Tubes

Sampling Tubes for Duct Detectors
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