Napco FW-2S 2-Wire Smoke Detector with Sounder

Protect people and property with dependable, code-ready detection from the Napco Security Technologies FW-2S 2-Wire Smoke Detector with Sounder. This photoelectric smoke detector is engineered to detect smoldering fires early while minimizing false alarms—delivering reliable performance for security, surveillance, and life-safety monitoring systems. The FW-2S includes a built-in sounder for immediate audible alerting, and its low-profile 1.8" height allows a discreet installation in commercial, healthcare, hospitality, and retail environments.

Designed for easy integration, the 2-wire configuration streamlines retrofit installations and ties directly into existing fire panels. Key features include UL 864/985 listings, automatic sensitivity window verification to meet NFPA 72 inspection requirements, and a vandal-resistant lock plus magnetic Go/No-Go test for fast maintenance. Compatible with standard 8V–35V DC system power, the FW-2S balances performance with installer-friendly flexibility.

Ideal for facility managers and security integrators seeking dependable, low-maintenance smoke detection, the Napco FW-2S is a practical choice for commercial fire detection and monitoring. Order now to upgrade your site’s fire safety and compliance.

• Fast, reliable photoelectric detection reduces nuisance alarms and improves occupant safety
• Built-in sounder provides immediate on-site notification to accelerate emergency response
• Low-profile 1.8" design blends into ceilings for discreet installation in offices and retail spaces
• 2-wire compatibility simplifies retrofit and integration with existing fire panels and security monitoring
• Automatic sensitivity verification (meets NFPA 72) lowers maintenance time and ensures code-compliant performance
• Vandal-resistant locking and magnetic test feature speed inspections and protect the device in public areas