Lennox 68W52 4-Wire Photoelectric Duct Smoke Detector Sensor Component

The Lennox 68W52 is a replacement photoelectric sensor component designed for duct-mounted smoke detection systems in residential and commercial HVAC applications. This genuine OEM sensor works with 24 VAC or 24 VDC power systems and integrates seamlessly with compatible Lennox duct smoke detector housings.

Key Features:

• Photoelectric sensing technology for reliable smoke particle detection
• 4-wire configuration for enhanced system integration and control
• Compatible with 24 VAC or 24 VDC power sources
• Designed for duct mounting in HVAC systems
• Sends signal to control panel when smoke is detected
• Suitable for residential and commercial fire safety applications

This sensor component is manufactured by System Sensor (model LD4SB) and is the sensing element only—additional components such as housing and power board are required for complete installation. The photoelectric detection method provides early warning by identifying visible smoke particles, helping to protect occupants and property by enabling rapid response to potential fire hazards.

Technical Specifications:

• OEM Part Number: 102325-01
• System Sensor Model: LD4SB
• Voltage: 24 VAC or 24 VDC
• Weight: 1.5 lbs