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D340 Family two‑wire duct smoke detector housings

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  • For 1 ft. (30.5 cm) to 10 ft. (3 m) ducts with air velocity between 300 ft./min. to 4000 ft./min. (1.52 m/s to 20.3 m/s)
  • Easy duct tube installation through the housing cuts installation time
  • Detector test and reset without removing covers
  • Clear cover allows quick visual inspection
  • Tube filters, dust immune smoke detector, and easy disassembly for cleaning reduce maintenance time and cost

Product Variants

D340 Family two‑wire duct smoke detector housings

Duct detector housing, 2-wire

Commercial Type No. D340
Product No. 4.998.113.252

D340 Family two‑wire duct smoke detector housings

Duct detector kit, 2-wire

Commercial Type No. D340P
Product No. 4.998.137.956

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