The revised ULC Standard S531 4th Edition took effect June 30th, 2024, requiring new safety standards with significant technical & material changes to the to the Smoke & CO Alarm category.

 Key Improved Safety Features

  • Superior photoelectric technology replacing ionization
  • Improved detection of fast flaming & smoldering fires.
  • Reduced cooking and steam nuisance alarms.
  • Self-Testing
  • 10 Year End-of-Life
  • 10 Year Warranty
  • Improved Surge Protection

Summary

New standards now required involve over 250 technical changes in materials and technology that will make today’s Smoke & CO Alarms even more effective in:

  • Alerting occupants of a fire or smoke hazard.
  • Helping prevent CO poisoning.

 Don't risk your family's safety — install Smoke & CO alarms today.