System Sensor PC4W replacement part for System Sensor notification appliance and detector assemblies.

Compliance

• NFPA 72
• UL 1971
• UL 1638
• UL 464
• UL 1480

Key features

• Direct replacement component for System Sensor notification appliance assemblies requiring field service
• UL 1971 listing supports applications in hearing-impaired occupancies when used in compliant devices
• Maintains NFPA 72 notification appliance circuit listing when installed per manufacturer specifications
• Part number verification required: confirm PC4W matches your installed device model before ordering
• Compatible with commercial fire alarm system maintenance requirements for in-service devices

System Sensor (a Honeywell brand) produces a range of notification appliances for NFPA 72 commercial fire alarm systems. The PC4W is a field-replaceable component for maintaining installed System Sensor notification devices. UL 1971 and UL 1638 listings apply when the component is used within a compliant device assembly. Match the installed device model against the PC4W compatibility list before ordering to ensure regulatory compliance is maintained.

Verify panel/device family compatibility before ordering.