Customer Reviews For The 3-Pack Hardwired Smoke & Fire Alarm with 10-Year Battery Backup
The Universal Security Instruments 3-Pack Hardwired Smoke & Fire Alarm with 10-Year Battery Backup (USI/SM/HW10YR/3) delivers dependable, whole-home fire protection designed for residential safety and multi-room coverage. Engineered to run on standard 120V AC residential electrical wiring, each alarm in this multi-pack includes a built-in, sealed 10-year battery backup that eliminates annoying low-battery chirps and guarantees continuous operation during power interruptions.
Equipped with an advanced ionization sensor, each smoke alarm responds swiftly to fast-moving, flaming fires. Built-in interconnectivity allows you to link each detector to other compatible USI hardwired smoke detectors across your electrical system, ensuring that if an alarm is triggered in the basement or kitchen, every unit across the entire house sounds at once. Packaged as a 3-pack, this set is ideal for contractors, property managers, and homeowners completing multi-room installations or bringing existing hardwired systems up to current building codes with zero battery maintenance required for a full decade.
Key Features & Benefits
- Hardwired with Sealed 10-Year Backup: Continuous hardwired power with a sealed battery backup for reliable blackout protection without battery chirps.
- Multi-Pack Whole-Home Value: Three-pack allows for multi-room coverage across bedrooms, hallways, and multi-floor homes.
- Hardwire Interconnectable: Connects with up to 24 compatible devices (including up to 18 smoke alarms) to establish a synchronized alert network.
- Single-Button Test & Silence: Easily test the horn and internal sensor or silence non-emergency nuisance alarms with a single touch.
- Tamper-Resistant Locking Feature: Built-in locking pins prevent unauthorized removal of the alarm from the ceiling or wall bracket.
- Quick-Connect Wiring Harness: Includes pre-stripped harnesses and mounting hardware to streamline retrofits and new electrical rough-ins.
Industry Standards & Compliance
This alarm pack is rigorously tested and certified to comply with residential building safety codes:- ETL Listed: Safety tested and certified to UL 217 standards for residential smoke alarms.
- NFPA Compliant: Meets NFPA 72 National Fire Alarm Code requirements for hardwired household fire warning systems.
- Federal Housing Standards: Fully compliant with FHA, HUD, and CSFM (California State Fire Marshal) safety regulations.
- Code & Renovation Approved: Meets 10-year sealed battery mandates for replacement and new construction projects in bedrooms, corridors, and living spaces.
