SIMPLEX 565-124 Duct Housing Replacement Board

Simplex 565-124 4-Wire Duct Housing Replacement Board

The Simplex 565-124 is an interface board assembly for the 4098-9706 duct housing used in fire alarm duct detector installations. This replacement board provides signal conditioning and interface circuitry for connecting duct-mounted smoke detectors to Simplex fire alarm control panel circuits, supporting 4-wire sensor configurations.

Key Features:

• Application: Duct housing detector interface board for ceiling plenum installations

• Compatibility: Designed for 4098-9706 duct detector housing

• Circuit Interface: 4-wire detector signal conditioning

• Reliability: Replacement board for system restoration and maintenance