The System Sensor DH400OE-1 enclosure
• Fits both current and legacy duct smoke detectors.
• Enclosure is an additional option other than using the D4120W
or DNRW watertight duct smoke detectors.
• Drop top shield top with seamless front, side, and back construction
• Provision for a padlock to protect the entire unit against unauthorized tampering
• Special sampling tube gaskets are included as required by
UL 268A listing.