SILENT KNIGHT WSK-HEAT

Product Overview

The WSK-HEAT Silent Knight Wireless Heat Detector is an intelligent, addressable thermal detector designed to provide secure and reliable fire detection through the SWIFT® Class A wireless mesh network. Ideal for applications where traditional wiring is costly, disruptive, or unsafe, the WSK-HEAT enables fast installation while maintaining full system integrity.

The detector is suitable for open-area protection with up to 50 ft spacing, as approved by UL 521, and integrates seamlessly with both wired and wireless devices on the same fire alarm control panel. Its self-healing mesh network architecture assigns each device two parent communication paths, ensuring continuous operation even if one device becomes unavailable. Frequency hopping technology further enhances resistance to interference, providing stable and dependable wireless performance.

Key Features

• Wireless, addressable heat detector
• Operates on a Class A SWIFT mesh network
• Open-area protection with up to 50 ft spacing (UL 521)
• Addressable code wheels for simple device addressing
• Dual LEDs with multi-color status indication (red, green, amber)
• Supports bi-directional communication
• Frequency hopping for interference resistance
• Compatible with mixed wired and wireless system configurations
• Designed for commercial fire alarm applications
• Fast installation without conduit or hardwired connections

Certifications

• UL Listed: S6173, S6228
• UL Standards: 864, 268
• CSFM Listed: 7254-0559:0509, 7272-0559:0506
• FM Approved
• FCC ID: AUBWFSSD
• Complies with NFPA 72 Fire Alarm System Requirements
• Meets FCC Part 15 Rules