Lennox 12K42 Heat Exchanger Assembly with Vest Panel - 4-Tube

The Lennox 12K42 is a genuine OEM heat exchanger assembly designed for reliable heat transfer performance in residential and commercial HVAC systems. This complete assembly features a 4-tube configuration with an integrated vest panel, specifically engineered for LRP14G series furnaces.

Key Features:

• 4-tube design optimizes heat transfer efficiency between air and combustion gases
• Complete assembly includes vest panel for simplified installation
• Durable construction built to withstand demanding operating conditions
• Genuine Lennox replacement part ensures proper fit and performance
• Compact design facilitates installation in residential and light commercial applications

This heat exchanger assembly is a critical component responsible for transferring heat from combustion gases to circulating air in gas furnace systems. The 4-tube configuration provides efficient heat transfer while maintaining safe separation between combustion gases and breathable air. Designed and manufactured by Lennox to exact OEM specifications, this assembly ensures reliable operation and longevity in heating systems.

Technical Specifications:

• Manufacturer Part Number: 613057-02
• Catalog Number: 12K42
• Tube Count: 4
• Assembly Type: Small (4T) with Vest Panel
• UPC: 66255147861
• Compatible Series: LRP14G