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A fixed temperature ceiling-mount detector that sends an alarm to the panel if the temperature exceeds 135°F.

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Model 1183-135R sends an alarm if the temperature reaches 135° or if the temperature increases by 15°F or more per minute

Survey LED provides visual confirmation of communication with the panel

Two-way communication prevents repetitive signaling, extending battery life to more than four years

Meets ANSI/UL 521 Heat Detectors for Fire Protective Signaling Systems

Choose DMP Wireless for a competitive edge


DMP 1100 Series Wireless provides you with an edge over the competition. With superior range, greater reliability, easy installation and the latest in wireless technology, DMP Wireless is an easy choice.

For all of our wireless products, please view our catalog.