First Alert

First Alert Hardwired Photoelectric Smoke Alarm with Battery Backup

SKU 1046829
First Alert hardwired photoelectric smoke alarm with AA battery backup. Interconnectable – protects your entire home. Photoelectric sensing detects slow, smoldering fires earlier. UL 217 listed for reliable home fire protection.
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Smoke Photoelectric Hardwired + Battery Backup
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First Alert Hardwired Photoelectric Smoke Alarm with Battery Backup

Protect your family with the First Alert Hardwired Photoelectric Smoke Alarm (Catalog #1046829) — a professionally installed, hardwired smoke detector with reliable battery backup. Photoelectric sensing technology is particularly effective at detecting slow, smoldering fires that produce large combustion particles, giving your household maximum early warning time to evacuate safely.

Why Choose Photoelectric Detection?

Unlike ionization alarms that are tuned to fast flaming fires, photoelectric alarms respond faster to the smoldering fires that most commonly start in bedrooms and living areas — making this alarm an essential layer of home fire protection.

Whole-Home Interconnect Protection

When one alarm sounds, all interconnected alarms sound simultaneously, warning every person in every room. Connects with up to 18 compatible smoke, CO, and heat alarms.

  • Hardwired power source with AA battery backup for continuous protection
  • 360-degree direct access to the smoke sensing chamber
  • Interconnectable with up to 18 alarms (12 smoke max)
  • Loud 85 dB alarm audible at 10 feet
  • UL 217 listed – meets national safety standards
  • Easy Adapter Plug included for quick installation

Available in the United States only.

Technical Documentation