York S1-373-27438-000 Heat Exchanger

When you're dealing with a failed recovery core in a rooftop unit or gas furnace, precision in the replacement part is the difference between a one-hour billable and a multi-day callback. The York S1-373-27438-000 Heat Exchanger is an OEM HVAC replacement part engineered for high-cycle reliability in 5-tube combustion chambers. Fabricated from heavy-gauge aluminized steel, this 5-tube heat exchanger offers superior thermal conductivity and oxidation resistance compared to generic aftermarket alternatives. It is specifically designed to fit York HVAC units, including popular chassis like the AC6B048F3C and AC036F35B series, ensuring all mounting holes and collector box ports align perfectly without field modification. Replacing a cracked or corroded furnace heat exchanger with this genuine S1-37327438000 assembly ensures that your York heating system maintains its original AFUE rating and structural integrity. For contractors, this provides a drop-in solution that restores HVAC energy efficiency while mitigating the risks associated with pinhole leaks or seam separation in high-demand environments.

Key Benefits:

• Direct OEM Compatibility: Built to the exact dimensions of York S1-373-27438-000, eliminating the need for manifold adjustments or bracket Fabrication.
• Aluminized Steel Construction: High-grade material choice provides maximum protection against furnace corrosion and thermal fatigue during rapid heat-up and cool-down cycles.
• Optimized 5-Tube Design: Five individual heat transfer paths maximize surface area for air-side heat gain, maintaining York equipment performance.
• Critical Safety Compliance: Restores the sealed combustion integrity necessary to prevent CO leakage and furnace short cycling issues.
• Professional Grade Durability: Weighing approximately 85 lbs, this robust assembly is designed to handle the static pressure and airflow requirements of commercial and residential high-capacity blowers.

Common Questions:

Which York models are compatible with this 5-tube exchanger?
This part is the primary OEM replacement for various York, Luxaire, and Coleman equipment, specifically fitting models such as the AC6B048F3C, AC036F15B, and AC3B048F1. Always verify your specific model and serial number before ordering.

What are the signs that a York heat exchanger needs replacement?
Technicians should look for soot buildup, rolling flames during the ignition cycle, or visible cracks in the first pass bends, which are common heat exchanger failure symptoms that compromise HVAC safety.

Does this unit require specialized tools for installation?
Standard 5/16" and 1/4" nut drivers are usually sufficient, though some rooftop configurations may require an offset wrench for screws positioned against side panels. It is a direct fit for the York S1-37327438000 footprint.

This item is not eligible for free shipping.

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.