Product Details
The System Sensor 5603 is a 135°F (57°C) Fixed Temperature Mechanical Heat Detector; Single circuit type, normally open.
The 5603 is part of System Sensor's 5600 Series of Mechanical Heat Detectors.
A reversible mounting bracket (included) permits both flush- and surface-mount back box installations. Mounts to:
—3½-inch octagonal back box
—4-inch octagonal back box
—Single gang back box
—4-inch square back box with a square to round plaster ring