BOSCH SECURITY SYSTEMS D273THS Smoke/heat Detector 135F, Sounder
Four-wire smoke detector with a 135F (57C) heat sensor and a sounder.
Features
- Designed for Commercial or Residential Use
- Four-Wire Application
- Light-Emitting Diodes (LED?s) Indicate the Status of the Chamber, Power, and Alarm
- Removable Terminal Block to Simplify Wiring Connections
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