Fire-Lite FM900-Z Extension Kit, 90°

Solve odd-angle mounting challenges quickly with the Fire-Lite Alarms by Honeywell FM900-Z 90° Extension Kit. This door holder spacer is designed to adapt electromagnetic door holders to a 90° offset, giving installers a dependable, fail-safe solution for retrofit and new-construction applications. The FM900-Z supports common voltages (120V AC, 12V DC, 24V AC/DC) and resists damage from improperly applied voltage, lowering service calls and extending equipment life. A positive-release button initiates smooth closing motion, maintaining life-safety performance in fire, access control and building security systems.

Made from durable plastic and built to integrate with Fire-Lite FM-series door holders, the FM900-Z simplifies installation and helps keep surveillance, monitoring and fire-alarm systems operating reliably. Backed by a 2-year limited warranty and US manufacturing, it’s a practical accessory for commercial, healthcare, education and government facilities. Add the FM900-Z to your next door-holding or retrofit project — contact sales or order online to ensure compliant, reliable door retention.

• Adapts odd-angle installations so electromagnetic door holders mount securely at a 90° offset, simplifying retrofits and non-standard doors
• Ensures fail-safe release with a positive-release button that initiates reliable door closing for life-safety compliance
• Protects the door holding assembly from improper voltage application, reducing downtime and replacement costs
• Compatible with common system voltages (120V AC, 12V DC, 24V AC/DC) for straightforward integration into building security and fire systems
• Lightweight, durable plastic construction and US manufacturing deliver consistent performance and an industry-backed 2-year limited warranty