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Bosch DS291 Conventional 4-Wire Duct Smoke Detector Housing 120 VAC

Our Price : $123.81

Product Code: 500029

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Description

The DS291 Air Duct Smoke Detector Housing is designed to mount to the ducts of HVAC systems to monitor the presence of smoke in the conditioned air. They are designed to operate on 24 VDC/VAC or 120 VAC. The efficient housing design samples the air passing through a duct and allows the detection of a potentially hazardous condition. When smoke is detected, the detector sends an alarm signal to the control panel and/or HVAC control equipment that will initiate the necessary action to control air-handling systems.

Features

For conventional four-wire loops & For ducts 12 in. (30.5 cm) to 10 ft. (3 m)

Ionization and photoelectric models

Alarm, auxiliary and trouble relay contacts

Air velocity between 300 ft./min. (1.52 m/s) to 4000 ft./min. (20.3 m/s)

Easy duct tube installation through the housing, cuts installation time

Detector test and reset without removing covers

The DS291 Duct Smoke Detector Housing Kit includes:
• One DS291 Duct Smoke Detector Housing
• One Exhaust Tube
• Two Tube Filters
• Mounting hardware

Note: The smoke detector head and sample tubes must be ordered separately.