System Sensor ST-10 Sampling Tube Direct Plug-and-Play: Features a standard

Direct Plug-and-Play: Features a standard 1/4-inch male spade electrical terminal for quick connection to the existing wiring harness

which must be purchased separately if they are also failing

By drawing air through factory-drilled air inlet holes and directing it into the detector's sensing chamber

Can I bypass this switch for testing

this component is rated for use in both 50Hz and 60Hz electrical environments

System Sensor ST-10 Sampling Tube Direct Plug-and-Play: Features a standardThe System Sensor ST 10 is a heavy duty metal sampling tube engineered specifically for HVAC duct smoke detection in large scale commercial air handling systems. Designed for duct widths from 8 ft to 12 ft, this 10 foot rigid component is essential for facilitating cross sectional airflow sampling. It is fully compatible with System Sensor legacy duct smoke detector models, including the DH100, DH200, DH400, and DH500 series. By drawing air through