Description
The York S1-373-47219-001 is an OEM replacement heat exchanger engineered for York high-efficiency downflow cabinet furnaces operating at 95% AFUE. Built with a six-cell stainless steel construction, this heat exchanger is designed to withstand the demanding thermal cycling and condensing conditions inherent to high-efficiency gas furnace operation, delivering long-lasting performance and reliable heat transfer season after season.
Key Features
- Six-cell design for optimized heat transfer surface area and uniform airflow distribution
- Stainless steel construction for superior corrosion resistance in condensing applications
- Engineered for 95% AFUE high-efficiency furnace systems
- Designed specifically for downflow cabinet furnace configurations
- Direct OEM replacement for York systems — ensures proper fit and function
- Maintains original equipment efficiency and safety ratings
Application
This heat exchanger is a direct OEM replacement part for York downflow cabinet furnaces rated at 95% AFUE. Stainless steel construction is critical in condensing furnaces, where flue gases drop below the dew point and produce acidic condensate — a condition that would rapidly degrade standard steel components. The six-cell configuration supports high-capacity heat extraction while maintaining safe combustion gas separation from the supply airstream.
Why Replace Your Heat Exchanger?
- Cracked or failed heat exchangers can allow combustion gases — including carbon monoxide — to enter the living space
- OEM replacement parts restore original equipment performance and safety
- Stainless steel construction extends service life in high-efficiency condensing environments
- Proper cell count match ensures correct static pressure and airflow characteristics
Product Specifications
- Brand: York
- Part Number: S1-373-47219-001
- Cell Count: 6
- Efficiency Rating: 95% AFUE
- Furnace Configuration: Downflow (D-Cab)
- Material: Stainless Steel (Ss)
- Application: OEM Replacement







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