Kidde Fenwal 27121-0 Detect-A-Fire 725° Vertical Mount Heat Detector with Stainless-Steel Hexhead and Normally Open Contacts

Protect critical infrastructure with the Kidde Fenwal Detect-A-Fire 725° vertical heat detector — a dependable heat-sensing device designed for commercial fire detection and suppression systems. This Kidde Fenwal heat detector combines fixed-temperature (725°) and rate-of-rise technologies to deliver fast, accurate alarm initiation while minimizing false activations in challenging environments. Built with a stainless-steel hexhead and normally open contacts, the unit ensures durable, corrosion-resistant performance and reliable activation of alarms or extinguishing systems. UL Listed and FM Approved, the detector meets industry acceptance standards for security and life-safety applications and integrates easily into wired monitoring networks. The vertical-mount form factor simplifies installation in ceilings and confined utility spaces, making it ideal for data centers, server rooms, mechanical rooms, and warehouses where early, trustworthy detection is essential. Upgrade your fire monitoring and suppression strategy with a proven Detect-A-Fire heat detector — contact us to specify or order for your next security and safety project.

• Dual-action protection: combines fixed-temperature (725°) and rate-of-rise sensing to reliably detect real fires while reducing nuisance alarms
• Robust, service-ready hardware: stainless-steel hexhead and normally open contacts deliver corrosion resistance and dependable activation for suppression and alarm systems
• Code-compliant performance: UL Listed and FM Approved for use in commercial security and fire detection systems, simplifying inspections and acceptance
• Vertical-mount design with wired connectivity for straightforward installation in ceilings, engine rooms, data centers, and mechanical spaces
• Minimizes downtime and asset loss by providing fast, predictable activation for monitoring, surveillance, and fire suppression integration