904794 Nordyne HEAT EXCHANGER

Must be shipped Via Freight Truck

The 904794 Nordyne heat exchanger is a direct‐fit replacement engineered to restore efficient heat transfer and reliable operation in compatible gas furnaces. Its multi-pass tubular design and aluminized steel construction withstand extreme thermal cycling while resisting corrosion. Precision-welded seams and factory pressure testing ensure leak-free performance under high BTU output. Plug-and-play fitment simplifies field replacement and minimizes downtime.

Key Features

• Multi-pass tube configuration for maximized heat transfer

• Heavy-gauge aluminized steel tubing for superior corrosion resistance

• Precision-welded seams guarantee long-term leak integrity

• OEM-footprint design for fast, technician-friendly swap-out

• Factory pressure-tested to meet or exceed Nordyne specifications

Compatibility

• Replaces Nordyne part number 904794

• Fits a wide range of Nordyne gas furnace models (consult model cross-reference)

• Cross-references Nordyne part #1342654 for streamlined ordering

• Ideal for residential and light-commercial heating applications

Technical Specifications

Installation & Maintenance

1. Shut off electrical power and gas supply to the furnace.

2. Remove access panels and disconnect the flue outlet.

3. Unbolt and extract the existing heat exchanger assembly.

4. Position the new 904794 unit, torque mounting bolts to OEM spec.

5. Reattach flue and gas connections, reinstall panels, and restore power.

6. Perform a combustion analysis and leak check before commissioning.

Why Choose This Heat Exchanger?

• Restores original BTU output and heating efficiency

• Minimizes carbon-monoxide risk with factory-tested integrity

• Extends furnace life through robust construction

• Direct-fit design streamlines service calls and reduces labor time

• Backed by consistent manufacturer quality control