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What is the part number for the photoelectric smoke alarm?

The part number for the photoelectric smoke alarm is the 755PSMA2.
Some of the key features are:

  • New look design with easy to use test/hush button
  • Easy installation and maintenance
  • Quality optical chamber with stainless steel insect screen
  • Wired interconnect feature (up to 40 alarms)
  • Optional relay or wireless interconnect bases
  • Backwards compatible with 755PSMA and 755SMA mounting bases
  • Robust digital design
  • 9V DC battery back-up
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