Suburban Mfg 390848 Rear Half Combustion Air Housing for SF-Series Furnace

The Suburban 390848 Rear Half Combustion Air Housing is an essential replacement component designed specifically for Suburban SF-Series RV furnaces. This housing forms the rear section of the combustion air intake system, ensuring proper airflow for safe and efficient furnace operation.

Key Features:

• Direct replacement rear half combustion air housing assembly
• Designed for SF-Series furnace models including SF-20, SF-25, SF-30, SF-35, and SF-42
• Works with both standard and quiet (Q) series models
• Critical component for maintaining proper combustion air intake from outside atmosphere
• OEM quality part manufactured by Suburban Manufacturing

This combustion air housing works in conjunction with the combustion air wheel (sold separately) and firewall gasket to ensure all combustion air is drawn from outside the RV, never from the living area. Proper installation is essential for safe furnace operation and efficient heating performance.