The Simplex 565-925 4-Wire Duct Housing Replacement Board is a critical component designed for commercial fire detection and HVAC monitoring systems. Engineered specifically for duct detector housings, this CPU board provides reliable signal processing and communication within complex fire alarm network infrastructures. Professionals responsible for life safety systems in commercial facilities rely on this precision-engineered board to maintain comprehensive environmental monitoring and early fire detection capabilities.
Strategically developed for integration with Simplex addressable fire alarm panels, this replacement board ensures seamless communication between duct-mounted detection equipment and central monitoring systems. Typical installation environments include large commercial spaces such as office complexes, healthcare facilities, educational institutions, and industrial buildings where precise air handling system monitoring is essential for comprehensive fire prevention strategies.
The 565-925 board represents a critical interface between HVAC systems and fire alarm networks, enabling rapid detection of potential fire or smoke conditions within air distribution pathways. Its robust design allows for direct replacement in existing Simplex duct housing configurations, minimizing system downtime and facilitating straightforward maintenance procedures.
Key Features
- Compatible with Simplex addressable fire alarm panel architectures
- 4-wire communication protocol for reliable signal transmission
- Fully compliant with NFPA 72 National Fire Alarm and Signaling Code requirements
- Precision-engineered for consistent performance in commercial HVAC monitoring applications
- Direct replacement for legacy Simplex duct housing CPU boards
- UL 268 and UL 464 listed for comprehensive safety certification
Technical Specifications
- Compatible Voltage Range: 24VDC nominal
- Standby Current Draw: Approximately 50-75 mA
- Operating Temperature Range: 32°F to 120°F (0°C to 49°C)
- Communication Protocol: Class B/Style B signaling
Fire alarm professionals should verify complete system compatibility and consult manufacturer documentation prior to installation. Proper configuration and integration with existing fire alarm control equipment are critical for optimal performance.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 0.25 lbs |
|---|---|
| Dimensions | 4 × 3 × 1 in |
| Condition | New |
| Part Type | CPU Board, Duct Detector / Housing |
| Manufacturers | Simplex |
