Description
The Rheem-Ruud AS-90645-10 is a genuine OEM replacement heat exchanger designed for use in compatible Rheem and Ruud heating systems. As a critical component in forced-air furnaces, the heat exchanger transfers combustion heat to the circulating air supply while maintaining a sealed barrier that prevents combustion gases from entering the conditioned airspace — protecting both equipment performance and occupant safety.
Key Features
- Genuine Rheem-Ruud OEM replacement part (SKU: AS-90645-10)
- Engineered for precise fit and function in compatible Rheem and Ruud furnace models
- Maintains safe separation of combustion gases from supply air
- Supports efficient heat transfer for consistent heating performance
- Durable construction designed to withstand repeated thermal cycling
- Direct factory replacement ensures proper sealing and structural integrity
Why Replace Your Heat Exchanger?
A cracked or failing heat exchanger is a serious safety concern. Carbon monoxide and other combustion byproducts can leak into living spaces if the heat exchanger is compromised. Using a genuine OEM replacement like the Rheem-Ruud AS-90645-10 ensures your system operates safely and efficiently, restoring full heating capacity and peace of mind.
Compatibility
- Designed for use with select Rheem and Ruud forced-air furnace models
- Consult your equipment documentation or contact Jackson Systems to confirm compatibility with your specific unit
Ordering Information
- Brand: Rheem-Ruud
- Part Number / SKU: AS-90645-10
- Part Type: Heat Exchanger







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