(S4-34760) Duct Housing (Inc S-Quad Base And 0.6M Tube No Detector)

This product is designed for installation on a loop circuit of a Vigilon system. An optical smoke sensor specifically designed for use in ventilation ducting. A venturi probe samples the air in the duct for smoke. Detector housing is mounted externally to the duct. This device can trigger the shut-down of an air-conditioning or ventilation plant to prevent the spread of smoke.