BRK SMI100-AC Hardwire Interconnect Smoke Alarm with Battery Backup (12-pack)
BRK SMI100-AC Hardwire Interconnect Smoke Alarm with Battery Backup (12-pack)
BRK SMI100-AC Hardwire Interconnect Smoke Alarm with Battery Backup (12-pack)
BRK SMI100-AC Hardwire Interconnect Smoke Alarm with Battery Backup (12-pack)
BRK SMI100-AC Hardwire Interconnect Smoke Alarm with Battery Backup (12-pack)
BRK SMI100-AC Hardwire Interconnect Smoke Alarm with Battery Backup (12-pack)
BRK SMI100-AC Hardwire Interconnect Smoke Alarm with Battery Backup (12-pack)
  • Brand: BRK
  • Part #: SMI100-AC

BRK SMI100-AC Hardwire Interconnect Smoke Alarm with Battery Backup (12-pack)

$179.00
Pack
Pack: 12-Pack

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Product Details

Description

BRK SMI100-AC Hardwired Interconnect Smoke Alarm with Battery Backup (12-Pack) – Ionization Sensor, SC5 Compatible

Ensure dependable, code-compliant fire protection with the BRK SMI100-AC Hardwired Smoke Alarm (12-Pack). Designed for residential and multi-unit installations, this alarm features hardwired power with a replaceable 9V battery backup, delivering continuous protection even during power outages.

Built for system-wide safety, the SMI100-AC is compatible with SC5 Smart Alarm systems and most First Alert and BRK hardwired alarms. With interconnect capability, when one alarm detects smoke, all connected units sound—providing faster alerts and full coverage throughout the property.

Equipped with ionization sensing technology, this alarm responds quickly to fast-flaming fires. The latching alarm indicator helps identify the initiating unit or low battery, while the test/silence button offers quick, convenient control. Installation is simple with the included quick connect adapter plug and secure mounting bracket for proper alignment.

Key Features:

  • Hardwired smoke alarm with 9V battery backup for uninterrupted protection
  • Interconnect capability – connects up to 12 smoke alarms + 6 additional devices
  • Compatible with SC5 Smart Alarm systems
  • Works with most First Alert & BRK alarms
  • Ionization sensor for fast-flaming fire detection
  • 85 dB alarm at 10 feet for clear alerts
  • Latching alarm indicator identifies initiating unit or low battery
  • Test/Silence button for easy operation
  • Replaceable 9V alkaline battery included
  • Quick connect adapter plug for fast installation
  • Secure mounting bracket with wide rotation for proper alignment
  • Dust cover included – ideal for construction environments
  • 12-pack – perfect for full-property or multi-room installations

Specifications:

  • Model: SMI100-AC
  • SKU: 1046836
  • Type: Hardwired Smoke Alarm
  • Sensor: Ionization
  • Sound Output: 85 dB at 10 ft
  • Power Source: Hardwired with 9V battery backup
  • Interconnect: Yes
  • Battery: 1 x 9V Alkaline (replaceable, included)
  • Dimensions: 5.6" L x 5.6" W x 1.9" H
  • Weight: 0.6 lb (each unit)
  • Color: White
  • UPC: 029054022639
  • Warranty: 10-Year Limited
  • Replaces Model: 9120B

Certifications & Compliance:

  • UL 217 8th Edition Listed
  • Meets current residential and building safety code requirements

Ideal For:
Homes, apartments, multi-family units, and contractors looking for a reliable, interconnected smoke alarm system with replaceable battery backup.

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Is this product in stock?

Inventory is updated regularly, but availability may change. Contact us for current stock on large orders.

How quickly will my order ship?

Most in-stock orders are processed within 1–3 business days. Standard shipping typically takes 1–5 business days, depending on your location.

Can I return this product?

Yes. Most products can be returned within 30 days of your order date, provided they are new and unused. Some exclusions and conditions apply. Please review our Return Policy for complete details.

Are there restocking fees?

Yes. A 30% restocking fee applies to eligible returns. Original shipping charges are non-refundable, and customers are responsible for return shipping costs. The restocking fee can be waived with a new order.

Is this product UL Listed or ETL Listed?

Certifications vary by product. Please review the product specifications or contact us to confirm certification details.

Does this item include a manufacturer warranty?

Most products are covered by the manufacturer's warranty. Warranty terms and coverage vary by brand and product.

Do you offer contractor pricing?

Yes. All products already include contractor pricing. Select a multi-pack option to save up to 10%. Your discount is automatically applied when you choose a qualifying multi-pack quantity.

Can I request bulk pricing?

Yes. Use the Add to Quote option on any product page to request a custom quote, or contact us directly for volume pricing and project-specific quotes.

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