Kidde SMAC10YFEX Hard-Wired Firex Smoke Alarm, 10-Year Backup Battery

Protect your property with dependable, low-maintenance fire detection. The Kidde Residential SMAC10YFEX hard-wired smoke alarm combines dependable AC power with a sealed 10-year backup battery to deliver continuous protection and reduce service calls. As a Kidde Residential smoke detector engineered for commercial and multi-family environments, it supports code-compliant installations and simplifies monitoring by integrating cleanly into building security and alarm systems.

This red, hard-wired smoke alarm (Manufacturer Part Number 21033087) replaces older Kidde models for straightforward upgrades and features a 10-year limited warranty that helps lower total cost of ownership. The sealed backup battery removes the need for annual battery replacements while ensuring uninterrupted operation during outages—critical for fire surveillance, remote monitoring, and automated emergency response.

Ideal for property managers, facility engineers, and life-safety installers, the SMAC10YFEX is a practical choice for enhancing your security and monitoring strategy. Add it to your next installation or retrofit to improve reliability and code compliance—contact your Kidde supplier to order or specify today.

• Hard-wired primary power with built-in 10-year backup battery reduces maintenance and ensures continuous fire detection during power loss
• Low-maintenance sealed battery design eliminates annual battery changes and lowers long-term service costs
• Bright red housing for quick identification in commercial, multi-family, and institutional installations to meet code and inspection needs
• Designed for easy integration into building monitoring and security systems for reliable life-safety surveillance and event response
• Backed by a 10-year limited warranty and direct Kidde Residential support for long-term reliability and compliance