System Sensor 5603System Sensor 5603 135F Fixed Temp Single Circuit Mechanical Heat Detector System Sensor 5603 135F Fixed Temp Single Circuit Mechanical Heat Detector is designed to provide dependable fixed temperature fire detection in conventional alarm systems. Featuring a 135F activation point, flexible mounting options, and easy visual identification, it delivers reliable performance across a wide range of residential and commercial applications. Fixed 135F
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System Sensor 5603 135F Fixed Temp Single-Circuit Mechanical Heat Detector is designed to provide dependable fixed-temperature fire detection in conventional alarm systems. Featuring a 135°F activation point, flexible mounting options, and easy visual identification, it delivers reliable performance across a wide range of residential and commercial applications.
Fixed 135°F temperature activation provides dependable heat detection for conventional fire alarm systems
Single-circuit mechanical design offers reliable operation in applications where smoke detection may not be suitable
Compatible with single-gang, 3.5-inch and 4-inch octagonal, and 4-inch square back boxes with plaster ring
Reversible mounting bracket supports both flush-mount and surface-mount installations
Post-activation indicator and clearly marked housing simplify detector identification and maintenance