York S1-363-93846-003 Heat Exchanger

Engineered for high-efficiency thermal transfer in heavy-duty gas-fired equipment, the York S1-363-93846-003 Heat Exchanger is an essential OEM replacement part for maintaining system integrity and safety. This 6-cell heat exchanger features a durable fin and tube design specifically optimized for York MHC series units, including models MHC06RMBBEC1, MHC12RMBBEC1, and MHC20RMBBEC1. Built with corrosion-resistant alloys, this assembly is rated for operating temperatures between 130°F and 325°F, maintaining a steady 60°F temperature differential for consistent performance. Field technicians will find the 1/2-inch NPT inlet and 5/8-inch NPT outlet connections facilitate a precise fit during furnace repair or routine HVAC maintenance. Swapping out a compromised core with this genuine York part prevents hazardous combustion gas leaks and restores the AFUE rating of the appliance. Whether addressing cracked heat exchanger issues or general metal fatigue, this direct replacement ensures your packaged unit or furnace operates at peak heat transfer efficiency.

Key Benefits:

• Direct OEM Compatibility: Ensures seamless integration with York rooftop units and furnaces, reducing installation time for field contractors.
• High-Grade Construction: Manufactured with aluminized steel or equivalent corrosion-resistant materials to withstand rigorous thermal cycling and prevent premature stress cracking.
• Precision Thermal Management: The 6-cell configuration provides maximum surface area for efficient heat exchange, lowering fuel consumption and preventing short-cycling.
• Safety and Compliance: Designed to maintain a secure barrier between combustion byproducts and the building's air supply, critical for preventing carbon monoxide infiltration.

Common Questions:

• What are the signs that my current heat exchanger is failing? Look for visible cracks, heavy soot accumulation, flickering burner flames, or "popping" noises during the heating cycle, which often indicate metal fatigue or galvanic corrosion.
• Is this part a direct substitute for the discontinued S1-36393846003? Yes, the York S1-363-93846-003 is the authorized replacement, sharing the same technical specifications and 6-tube dimensions for a "drop-in" installation.
• Can a cracked cell be patched instead of replaced? No. Due to safety standards and the risk of gas leakage, a cracked heat exchanger cell requires a full replacement of the assembly to ensure the unit remains safe for operation.

This item must ship via truck. Please contact us for freight quote.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.