Furnace Heat Exchangers

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International Comfort Products 1014492 Heat Exchanger with Gaskets

International Comfort Products

MSRP: $1,509.68

Now: $1,166.57

International Comfort Products 1014492 Heat Exchanger with Gaskets FurnacePartSource.com Commitment

MSRP: $1,509.68

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Heil Quaker 1014491 Heat Exchanger w/ gaskets

International Comfort Products

MSRP: $1,235.97

Now: $955.06

Heil Quaker 1014491 Heat Exchanger w/ gaskets FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...

MSRP: $1,235.97

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Heil Quaker 1014490 Heat Exchanger

International Comfort Products

MSRP: $1,041.56

Now: $804.84

Heil Quaker 1014490 Heat Exchanger Must Ship by Freight Truck FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Busi

MSRP: $1,041.56

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Heil Quaker 1014489 Heat Exchanger

International Comfort Products

MSRP: $810.30

Now: $626.14

Heil Quaker 1014489 Heat Exchanger FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...

MSRP: $810.30

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Heil Quaker 1010492 Secondary Heat Exchanger

International Comfort Products

MSRP: $1,337.41

Now: $1,033.45

Heil Quaker 1010492 Secondary Heat Exchanger FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements ...

MSRP: $1,337.41

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Nordyne 903480 Heat Exchanger

Nordyne

MSRP: $1,998.51

Now: $1,544.31

Nordyne 903480 Heat Exchanger FurnacePartSource.com Commitment Always

MSRP: $1,998.51

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Nordyne 903478 Heat Exchanger

Nordyne

MSRP: $1,676.80

Now: $1,295.71

Nordyne 903478 Heat Exchanger FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements

MSRP: $1,676.80

Now: $1,295.71

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Nordyne 903477 SS Heat Exchanger

Nordyne

MSRP: $2,448.53

Now: $1,892.05

Nordyne 903477 SS Heat Exchanger FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements

MSRP: $2,448.53

Now: $1,892.05

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Nordyne 903475 Heat Exchanger

Nordyne

MSRP: $2,166.19

Now: $1,673.87

Nordyne 903475 Heat Exchanger FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements

MSRP: $2,166.19

Now: $1,673.87

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Nordyne 903473 Heat Exchanger

Nordyne

MSRP: $1,362.80

Now: $1,053.07

Nordyne 903473 Heat Exchanger ** MUST SHIP VIA TRUCK ** FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum...

MSRP: $1,362.80

Now: $1,053.07

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Nordyne 903419 Heat Exchanger

Nordyne

MSRP: $1,156.27

Now: $893.48

Nordyne 903419 Heat Exchanger w/ gaskets FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...

MSRP: $1,156.27

Now: $893.48

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Nordyne 493214R Heat Exchanger

Nordyne

MSRP: $1,064.58

Now: $822.63

Nordyne 493214R Heat Exchanger - ** MUST SHIP VIA TRUCK - PLEASE CALL ** FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts -...

MSRP: $1,064.58

Now: $822.63

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Carrier # 48GS660003 Heat Exchanger

Carrier

MSRP: $1,048.53

Now: $810.22

Carrier # 48GS660003 Heat Exchanger FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements

MSRP: $1,048.53

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Rheem AS-59066-86 Heat Exchanger

Rheem-Ruud

MSRP: $1,531.86

Now: $1,183.71

Rheem AS-59066-86 Heat Exchanger Item is Non Cancelable / Non Returnable FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts -...

MSRP: $1,531.86

Now: $1,183.71

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Rheem AS-58632-86 Heat Exchanger

Rheem-Ruud

MSRP: $1,178.40

Now: $910.58

Rheem AS-58632-86 Heat Exchanger Item is Non Cancelable / Non Returnable FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts -

MSRP: $1,178.40

Now: $910.58

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Rheem AE-77695-81 Heat Exchanger Tube & Gasket

Rheem-Ruud

MSRP: $549.98

Now: $424.98

Rheem AE-77695-81 Heat Exchanger Tube & Gasket Item is Non Cancelable / Non Returnable FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine...

MSRP: $549.98

Now: $424.98

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York Controls S1-373-12894-705 Five Tube Heat Exchanger

York - Source 1

MSRP: $4,801.35

Now: $3,710.14

York Controls S1-373-12894-705 Five Tube Heat Exchanger FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum...

MSRP: $4,801.35

Now: $3,710.14

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York Controls S1-373-12894-704 4-Tube Heat Exchanger

York - Source 1

MSRP: $4,411.04

Now: $3,408.53

York Controls S1-373-12894-704 4-Tube Heat Exchanger FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...

MSRP: $4,411.04

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York Controls S1-363-93846-704 8-Burner Heat Exchanger

York - Source 1

MSRP: $6,426.88

Now: $4,966.23

York Controls S1-363-93846-704 8-Burner Heat Exchanger FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...

MSRP: $6,426.88

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York Controls S1-363-93846-701 6-Cell Heat Exchanger

York - Source 1

MSRP: $5,795.10

Now: $4,478.03

York Controls S1-363-93846-701 6-Cell Heat Exchanger FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...

MSRP: $5,795.10

Now: $4,478.03

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Shop furnace heat exchangers and replacement heat exchanger parts for gas, oil, propane, and high-efficiency heating systems. Browse brand-specific heat exchanger assemblies from manufacturers such as Trane, Carrier, Lennox, Nordyne, Rheem-Ruud, Amana-Goodman, Mitsubishi Electric, Aaon, Weil McLain, Bosch, and more. Match your OEM part number, furnace model number, fuel type, and assembly style before ordering.

Furnace Heat Exchangers and Replacement Parts

A furnace heat exchanger transfers heat from the combustion process into the air moving through the heating system while keeping combustion gases separated from indoor air. When a heat exchanger is cracked, corroded, damaged, or no longer performing correctly, the correct replacement part helps support proper furnace repair after professional installation and safety testing.

Furnace Part Source carries furnace heat exchangers, HVAC heat exchanger assemblies, and replacement heat exchanger parts for many heating system brands and configurations. Because these parts are highly specific to the furnace model, fuel type, and cabinet design, always confirm the OEM part number, model number, serial number, and assembly type before ordering.

How to Choose the Right Furnace Heat Exchanger

The right furnace heat exchanger depends on the exact furnace brand, model, fuel type, cabinet design, and heat exchanger assembly. These parts are not universal, so the safest way to shop is to match the OEM part number from your existing part, service manual, furnace label, or parts diagram.

Match the OEM Part Number

Start with the original equipment manufacturer part number whenever possible. Heat exchanger assemblies can look similar but differ by size, cell count, mounting points, burner configuration, venting design, or secondary heat exchanger connection. Matching the part number helps reduce the risk of ordering the wrong replacement.

Check the Furnace Brand and Model Number

Confirm the furnace brand, model number, and serial number before checkout. Brand-specific heat exchangers are commonly built for a narrow range of furnace models, so a Trane, Carrier, Lennox, Nordyne, Rheem-Ruud, or Amana-Goodman heat exchanger should be matched to the correct equipment documentation.

Confirm Fuel Type and Heat Exchanger Assembly Type

Gas, oil, propane, natural gas, and high-efficiency furnace systems may use different heat exchanger designs. Some systems use a primary heat exchanger only, while condensing furnaces may also use a secondary heat exchanger. Confirm the fuel type, assembly style, and related furnace configuration before ordering.

Gas, Oil, Propane, and High-Efficiency Furnace Heat Exchangers

Furnace heat exchangers are designed around the heating system’s fuel type, airflow path, burner configuration, and cabinet layout. A gas furnace heat exchanger, oil furnace heat exchanger, propane furnace heat exchanger, and high-efficiency furnace heat exchanger may use different shapes, materials, venting paths, or secondary heat exchanger components.

Do not assume that heat exchangers are interchangeable between fuel types or furnace models. A replacement heat exchanger should match the furnace brand, OEM part number, model number, fuel type, and assembly design. High-efficiency and condensing furnaces may also use secondary heat exchangers that must be matched carefully to the original system.

Furnace Heat Exchanger Cost and Price Considerations

The cost of a furnace heat exchanger can vary based on the brand, OEM part number, furnace model, fuel type, material, assembly size, and whether the part is a primary or secondary heat exchanger. Larger heat exchanger assemblies may also require freight shipping, which can affect the total order cost.

The prices shown on this page are for replacement heat exchanger parts only. Diagnostic service, installation labor, related furnace parts, and any required safety testing are not included in the listed product price. Because a damaged heat exchanger can involve combustion safety concerns, replacement should be confirmed and performed by a qualified HVAC technician.

If you are comparing furnace heat exchanger replacement cost, start by identifying the correct part number and checking whether the product listing requires freight shipment. Matching the correct heat exchanger before ordering can help avoid delays, incorrect parts, and added shipping costs.

Signs a Furnace Heat Exchanger May Need Replacement

A furnace heat exchanger may need replacement if it is cracked, corroded, warped, or damaged from overheating. Common warning signs can include repeated furnace shutdowns, unusual burner operation, visible rust or corrosion, moisture around the furnace cabinet, or combustion-related safety concerns found during inspection.

Heat exchanger problems should be confirmed by a qualified HVAC technician. Because the heat exchanger separates combustion gases from the indoor air stream, a damaged part can create serious safety risks. Do not attempt to diagnose or replace a furnace heat exchanger without proper training, tools, and safety testing.

Possible warning signs include:

Visible cracks, corrosion, or heat damage on the heat exchanger assembly
Repeated furnace overheating, rollout switch trips, or system shutdowns
Unusual burner flame behavior or combustion performance concerns
Strong odors, soot, or signs of improper venting
Technician-confirmed failure during furnace inspection or service

Brands and Heat Exchanger Assemblies Available

Furnace Part Source carries furnace heat exchangers and heat exchanger assemblies from many HVAC and heating equipment manufacturers. Available products may include brand-specific replacement parts for Trane, Carrier, Lennox, Nordyne, Rheem-Ruud, Amana-Goodman, Mitsubishi Electric, Aaon, Weil McLain, Bosch, AERCO, Lochinvar, A.O. Smith, and other manufacturers.

Because heat exchanger assemblies are built for specific heating systems, always match the replacement part to the correct brand, OEM part number, model number, fuel type, and furnace configuration. If two heat exchangers look similar, they may still differ by burner layout, cell count, cabinet fit, venting path, or secondary heat exchanger connection.

Shipping Notes for Furnace Heat Exchanger Replacement Parts

Many furnace heat exchangers are large, heavy, or fragile assemblies that may require freight shipping instead of standard parcel delivery. Review the product listing carefully for shipping notes, availability, cutoff times, and freight requirements before placing your order.

If the heat exchanger is needed for an urgent repair, confirm that the part is in stock and that the order meets the posted shipping cutoff. Some replacement heat exchanger parts may qualify for same-business-day shipping when in stock, while larger assemblies may ship by freight truck and require additional handling time.

Before checkout, verify the delivery address, receiving details, and any freight requirements for the order. This is especially important for commercial locations, job sites, and large heat exchanger assemblies that may require special unloading or inspection at delivery.

Furnace Heat Exchanger FAQs

What does a furnace heat exchanger do?

A furnace heat exchanger transfers heat from the combustion process into the air moving through the heating system while keeping combustion gases separated from indoor air. It is one of the main heating components inside a gas, oil, propane, or high-efficiency furnace.

How do I choose the right replacement furnace heat exchanger?

Start by matching the OEM part number from the existing heat exchanger, furnace label, service manual, or parts diagram. You should also confirm the furnace brand, model number, serial number, fuel type, cabinet style, and heat exchanger assembly type before ordering.

How much does a furnace heat exchanger cost?

The cost of a furnace heat exchanger depends on the brand, part number, fuel type, assembly size, material, and whether the part is a primary or secondary heat exchanger. The product prices shown on this page are for parts only and do not include diagnosis, installation labor, safety testing, or related furnace repairs.

Are gas, oil, and propane furnace heat exchangers interchangeable?

No. Gas, oil, propane, and high-efficiency furnace heat exchangers are designed around specific fuel types, burner layouts, venting paths, and furnace cabinets. Always match the replacement heat exchanger to the correct furnace brand, model, fuel type, and OEM part number.

What is the difference between a primary and secondary heat exchanger?

A primary heat exchanger receives heat directly from the combustion process. A secondary heat exchanger is used in many high-efficiency or condensing furnaces to capture additional heat from exhaust gases. Not every furnace uses both, so check the furnace design and service documentation before ordering.

Can a cracked furnace heat exchanger be repaired?

A cracked furnace heat exchanger should be inspected by a qualified HVAC technician. Because the heat exchanger separates combustion gases from indoor air, repair or replacement decisions should be based on professional diagnosis, manufacturer guidance, and proper safety testing.

Do furnace heat exchangers ship by freight?

Some furnace heat exchangers are large or heavy and may require freight shipping. Review each product listing for availability, shipping notes, freight requirements, cutoff times, and delivery instructions before placing your order.

Can I install a furnace heat exchanger myself?

Furnace heat exchanger replacement should be handled by a qualified HVAC technician. The work can involve combustion components, venting, gas or oil burner operation, system sealing, and safety testing after installation.

Need Help Finding the Right Furnace Heat Exchanger?

Before ordering a replacement furnace heat exchanger, compare the OEM part number, furnace brand, model number, serial number, fuel type, and heat exchanger assembly type. These details help confirm whether the part matches your gas, oil, propane, or high-efficiency furnace system.

If your original heat exchanger is discontinued, difficult to identify, or missing a readable part number, Furnace Part Source can help you look for a compatible replacement. Contact us with the furnace brand, model number, serial number, fuel type, and any part numbers from the existing heat exchanger, service manual, or parts diagram.

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