Lennox Y8216 – Kidde i12010S 21010407-A Hardwired Interconnect Smoke Alarm with Sealed Lithium Battery Backup, 120 VAC
Product overview
The Lennox Y8216 Kidde i12010S hardwired smoke alarm is designed to provide reliable, code-compliant fire detection for residential and light commercial applications. Operating on standard 120 VAC power with a sealed lithium battery backup, this smoke alarm ensures continuous protection even during power outages. The hardwired interconnect feature allows multiple alarms to communicate, so when one alarm detects smoke, all connected units sound simultaneously for faster occupant awareness and response.
Featuring a sealed, tamper-resistant lithium battery, the Kidde i12010S eliminates the need for battery replacements for the life of the alarm, reducing maintenance and preventing disabled alarms. This unit is engineered for dependable performance, easy installation, and long-term reliability, making it ideal for new construction, system upgrades, and replacement of compatible hardwired smoke alarms.
Key features and benefits
• Hardwired 120 VAC operation for consistent, reliable power
• Sealed lithium battery backup provides protection during power loss
• Interconnect capability activates all connected alarms when smoke is detected
• Maintenance-free sealed battery design, no battery changes required
• Loud audible alarm for clear emergency notification
• Suitable for residential homes, apartments, and light commercial buildings
• Designed to meet common residential safety and electrical code requirements
Specifications
• Alarm type: Smoke alarm
• Power source: 120 VAC hardwired with sealed lithium battery backup
• Interconnect: Yes, hardwired interconnect compatible
• Battery type: Sealed lithium, maintenance-free
• Application: Residential and light commercial fire safety
• Replacement reference: Lennox Y8216 / Kidde i12010S / 21010407-A
Applications
• New residential construction
• Smoke alarm system upgrades
• Replacement of compatible Kidde hardwired smoke alarms
• Homes, apartments, condos, and multi-unit dwellings
This Lennox Y8216 Kidde i12010S hardwired smoke alarm delivers dependable, long-term fire protection with minimal maintenance. Its sealed lithium battery backup and interconnect functionality make it a smart choice for enhancing safety, meeting code requirements, and ensuring peace of mind in any protected space.