DUCTSD is a duct smoke detector that simplifies testing with a cover-integrated smoke test port. Use any approved aerosol test smoke without the need of special tools or attachments.

The streamlined DUCTSD uses a plug-in photoelectric smoke sensor with operating conditions ranging from -4 to 158 degrees F. and air speeds from 100 to 4,000 feet per minute. The housing offers mounting flexibility for square and rectangular configurations.