Bosch D285DH Photoelectric Duct Smoke Detector Head

Bosch D285DH | Commercial or residential applications | Chamber Check rapid-flash LED Automatic Trouble Indication reports contaminated chamber. Fast Shipping. Buy Now.

The D285DH duct detector head detects the large smoke particles which typically result from wood, paper, and fabric combustion. The detector is part of a two component system: the duct detector housing and the duct detector head. The housing is permanently attached on the duct. The interchangeable duct detector head quickly detaches for replacement and cleaning without affecting circuit wiring.

• Commercial or residential applications
• Two-wire or four-wire application, depending on base
• Chamber Check rapid-flash LED Automatic Trouble Indication reports contaminated chamber
• Flashing LED power indicator
• Steady-On LED alarm indicator