Used Heat Exchangers for Sale
Used heat exchangers are industrial systems designed to transfer heat between two or more fluids without direct contact. These systems are widely used in chemical processing, food production, energy, and HVAC applications where efficient temperature control is essential. Heat exchangers support processes such as heating, cooling, condensation, and evaporation across a wide range of operating conditions. Aaron Equipment offers used heat exchangers for sale in various designs, materials, and configurations to meet specific thermal performance requirements and process demands. Browse available inventory below or explore heat exchanger types to find equipment aligned with your application.
Stock No.:
48291056Unused 4-Pass U-Tube Shell & Tube Heat Exchanger – 2,140 Sq. Ft., Carbon Steel
Unused- 4 Pass U Tube Shell & Tube Heat Exchanger, Approximate 2140 Square Feet, Tema Type AEU, Carbon Steel, Horizontal. Shell rated 412psi/Full Vacuum at 392 degrees F., (231) 3/4" diameter x 288" long tubes rated 372psi/Full Vacuum at 392 degrees F. Openings shell (2) 4", (2) 6", openings for tubes (2) 2", (2) 4". Mfg: Ilsung Corporation. Serial# 14-HE-059, National Board# 2043, built 2015. OAD 346"L X 38"W X 78"T, 18018 lbs. Documents available. Nitrogen purged by manufacturer after testing and prior to storage.
MFR: Ilsung Corporation
Stock No.:
482910572140 Square Feet, Unused- 4 Pass U Tube Shell & Tube Heat Exchanger
Unused- 4 Pass U Tube Shell & Tube Heat Exchanger, Approximate 2140 Square Feet, Tema Type AEU, Carbon Steel, Horizontal. Shell rated 412psi/Full Vacuum at 392 degrees F., (231) 3/4" diameter x 288" long tubes rated 372psi/Full Vacuum at 392 degrees F. Openings shell (2) 4", (2) 6", openings for tubes (2) 2", (2) 4". Mfg: Ilsung Corporation. Serial# 14-HE-061, National Board# 2045, built 2015. OAD 346"L X 38"W X 78"T, 18018 lbs. Documents available. Nitrogen purged by manufacturer after testing and prior to storage.
MFR: Ilsung Corporation
Stock No.:
482910374 Pass U Tube Shell & Tube Heat Exchanger
Unused- 4 Pass U Tube Shell & Tube Heat Exchanger, Approximate 2140 Square Feet, Tema Type AEU, Carbon Steel, Horizontal. Shell rated 412psi/Full Vacuum at 392 degrees F., (231) 3/4" diameter x 288" long tubes rated 372psi/Full Vacuum at 392 degrees F. Openings shell (2) 4", (2) 6", openings for tubes (2) 2", (2) 4". Mfg: Ilsung Corporation. Serial# 14-HE-056, National Board# 2040, built 2015. OAD 346"L X 38"W X 74"T, 17633 lbs. Documents available. Nitrogen purged by manufacturer after testing and prior to storage.
MFR: Ilsung Corporation
Stock No.:
48291024Shell & Tube Heat Exchanger – 412 PSI, 2143 Sq. Ft., 4-Pass, Carbon Steel
Unused- 4-Pass U Tube Shell & Tube Heat Exchanger, Approximate 2143 Square Feet, Tema Type AEU, Carbon Steel, Horizontal. Shell rated 412psi/Full Vacuum at 392 degrees F., (231) 3/4" diameter x 288" long tubes rated 372psi/Full Vacuum at 392 degrees F. Openings shell (2) 4", (2) 6", openings for tubes (2) 2", (2) 4". Mfg: Ilsung Corporation. Serial# 14-HE-048, National Board# 2032, built 2014. OAD 346"L X 38"W X 76"T, 17633 lbs. Documents available. Nitrogen purged by manufacturer after testing and prior to storage.
MFR: Ilsung Corporation
Stock No.:
48291025Shell & Tube Heat Exchanger, Unused- 4 Pass U Tube
Unused 4 Pass U Tube Shell & Tube Heat Exchanger, Approximate 2143 Square Feet, Tema Type AEU, Carbon Steel, Horizontal. Shell rated 412psi/Full Vacuum at 392 degrees F., (231) 3/4" diameter x 288" long tubes rated 372psi/Full Vacuum at 392 degrees F. Openings shell (2) 4", (2) 6", openings for tubes (2) 2", (2) 4". Mfg: Ilsung Corporation. Serial# 14-HE-047, National Board# 2031, built 2014. OAD 346"L X 38"W X 76"T, 18018 lbs. Documents available. Nitrogen purged by manufacturer after testing and prior to storage.
MFR: Ilsung Corporation
Stock No.:
482910262143 Sq. Ft. U-Tube Shell & Tube Heat Exchanger – Ilsung, 2014
Unused- 4 Pass U Tube Shell & Tube Heat Exchanger, Approximate 2143 Square Feet, Tema Type AEU, Carbon Steel, Horizontal. Shell rated 412psi/Full Vacuum at 392 degrees F., (231) 3/4" diameter x 288" long tubes rated 372psi/Full Vacuum at 392 degrees F. Openings shell (2) 4", (2) 6", openings for tubes (2) 2", (2) 4". Mfg: Ilsung Corporation. Serial# 14-HE-049, National Board# 2033, built 2014. OAD 346"L X 38"W X 76"T, 18018 lbs. Documents available. Nitrogen purged by manufacturer after testing and prior to storage.
MFR: Ilsung Corporation
Stock No.:
48291008Unused 4-Pass U-Tube Shell & Tube Heat Exchanger – 2,143 Sq. Ft., Carbon Steel
Unused Ilsung Corporation 4-pass U-tube shell and tube heat exchanger with approximately 2,143 sq. ft. of heat transfer surface area, TEMA Type AEU, carbon steel construction and horizontal configuration. Shell is rated for 412 pounds per square inch/full vacuum at 392 degrees F. Equipped with (231) 3/4" diameter x 288" long tubes rated for 372 pounds per square inch/full vacuum at 392 degrees F. Shell-side openings include (2) 4" and (2) 6", with tube-side openings consisting of (2) 2" and (2) 4". Serial #14-HE-040, National Board #2024, built 2014. Overall dimensions approximately 346"L x 38"W x 76"T with a weight of approximately 17,633 lbs. Documentation available. Unit was nitrogen purged by the manufacturer after testing and prior to storage. Possible applications include industrial process heating, cooling, condensing and heat recovery service with suitable process fluids compatible with carbon steel construction.
MFR: Ilsung Corporation
Stock No.:
48291010Shell & Tube Heat Exchanger – 4-Pass, 2143 Sq. Ft. High-Pressure
Unused- 4-Pass U Tube Shell & Tube Heat Exchanger, Approximate 2143 Square Feet, Tema Type AEU, Carbon Steel, Horizontal. Shell rated 412psi/Full Vacuum at 392 degrees F., (231) 3/4" diameter x 288" long tubes rated 372psi/Full Vacuum at 392 degrees F. Openings shell (2) 4", (2) 6", openings for tubes (2) 2", (2) 4". Mfg: Ilsung Corporation. Serial# 14-HE-041, National Board# 2025, built 2014. OAD 346"L X 38"W X 76"T, 18018 lbs. Documents available. Nitrogen purged by manufacturer after testing and prior to storage.
MFR: Ilsung Corporation
Stock No.:
48291011Carbon Steel U-Tube Shell & Tube Heat Exchanger – 4-Pass, 2143 Sq. Ft.
Unused U-Tube 4 Pass Shell & Tube Heat Exchanger, Approximate 2143 Square Feet, Tema Type AEU, Carbon Steel, Horizontal. Shell rated 412psi/Full Vacuum at 392 degrees F., (231) 3/4" diameter x 288" long tubes rated 372psi/Full Vacuum at 392 degrees F. Openings shell (2) 4", (2) 6", openings for tubes (2) 2", (2) 4". Mfg: Ilsung Corporation. Serial# 14-HE-042, National Board# 2026, built 2014. Overall dimensions 346"L X 38"W X 76"T. Approximately 18,000 lbs. Documents available. Nitrogen purged by manufacturer after testing and prior to storage.
MFR: Ilsung Corporation
Stock No.:
48291013Ilsung Corporation 4-Pass Heat Exchanger – 2143 Sq. Ft., Built 2015
Unused- Shell & Tube 4-Pass Heat Exchanger, U-Tube Style, Approximate 2143 Square Feet, Tema Type AEU, Carbon Steel, Horizontal. Shell rated 412psi/Full Vacuum at 392 degrees F., (231) 3/4" diameter x 288" long tubes rated 372psi/Full Vacuum at 392 degrees F. Openings shell (2) 4", (2) 6", openings for tubes (2) 2", (2) 4". Mfg: Ilsung Corporation. Serial# 14-HE-045, National Board# 2029, built 2014. Dimensions 346"L X 38"W X 76"T. 18018 lbs. Documents available. Nitrogen purged by manufacturer after testing and prior to storage.
MFR: Ilsung Corporation
Stock No.:
10749165Used Perry Products 225 Sq Ft Vertical Shell & Tube Heat Exchanger, 304L Stainless, 2015
Used Perry Products 225 sq. ft. Vertical Shell and Tube Heat Exchanger. 304L Stainless steel tubes rated 75 psi at 0 to 320 degrees F, 11' Tube length, 104 tube holes. 1' Shell diameter. Stainless steel head. Stainless Steel shell rated 100 psi at 0 to 320 degrees F. National Board #8006, Serial #B-8005, built 2015.
MFR: Perry Products
Stock No.:
53393016Used Aurora Industrial Machining Horizontal Carbon Steel Shell & Tube Heat Exchanger
Used Aurora Industrial Machining Shell & Tube Heat Exchanger, Approximately 228 square feet, Horizontal. Carbon steel shell rated 150psi at -20 to 350 Degrees F. (199) 304 Stainless steel straight tubes, 0.625" diameter, rated 150psi at -20 to 350 Degrees F. Openings shell: 3" (inlet), 3" (outlet), 2" (relief), tubes: 10" (inlet), (4) 3/4" (vent/drain). National Board# 3009, Serial# 4092, built 1996.
MFR: Aurora
Types of Used Heat Exchangers Available
Aaron Equipment offers a range of used heat exchangers designed to support heat transfer, process cooling, and thermal management applications:
Shell & Tube Stainless Steel Heat Exchangers – Versatile exchangers with tube bundles enclosed in a shell, ideal for high-pressure and high-temperature applications.
Shell & Tube Carbon Steel Heat Exchangers – Durable exchangers suited for non-corrosive fluids and heavy-duty industrial heat transfer applications.
Plate Type Heat Exchangers – Compact exchangers with stacked plates that provide efficient heat transfer in a small footprint.
Air Cooled / Fin Fan Heat Exchangers – Systems that use ambient air and finned tubes to dissipate heat without requiring water cooling.
Scraped Surface Heat Exchangers – Specialized exchangers designed for viscous, sticky, or fouling materials requiring continuous surface cleaning.
Spiral Heat Exchangers – Compact units with spiral flow paths that enhance heat transfer efficiency and reduce fouling.
Heat Exchanger Applications & Industry Uses
Used heat exchangers are essential across industries where controlled heating or cooling is required for process efficiency and product quality. Common applications include:
Chemical Processing: Heating and cooling of process streams and reaction control
Food & Beverage: Pasteurization, cooking, and cooling of liquid products
Energy & Utilities: Heat recovery, steam condensation, and power generation support
Pharmaceutical Manufacturing: Temperature control for sensitive formulations
HVAC Systems: Facility heating, cooling, and air handling
These systems play a critical role in improving energy efficiency, reducing operating costs, and maintaining process stability.
Used Heat Exchanger Buying Considerations
When selecting a used heat exchanger, it is important to evaluate both process requirements and equipment condition:
Condition & Maintenance History: Review refractory lining, heating elements, and prior use
Heat Transfer Requirements: Evaluate temperature differences and thermal duty
Fluid Compatibility: Ensure materials match corrosiveness and cleanliness requirements
Pressure & Temperature Ratings: Confirm suitability for operating conditions
Design Type: Shell & tube, plate, or air-cooled based on application
Fouling & Maintenance Needs: Consider ease of cleaning and maintenance
Condition & Service History: Review wear, scaling, and prior usage
Why Buy Used Heat Exchangers
Buying used heat exchangers provides a cost-effective solution for improving or expanding thermal systems without the long lead times of new equipment. Used units offer proven performance and are often available for immediate shipment, helping facilities maintain uptime and reduce capital investment.
Aaron Equipment sources high-quality heat exchangers from leading manufacturers, providing reliable solutions for a wide range of industrial applications.
Sell Your Used Heat Exchangers
Aaron Equipment actively purchases surplus heat exchangers, including shell & tube, plate, and air-cooled systems. Whether upgrading equipment or decommissioning assets, our team can help maximize value.
A heat exchanger is a system that transfers heat between two fluids without mixing them. It is used to heat or cool process streams in industrial applications.
Common types include shell and tube, plate, air-cooled, scraped surface, and spiral heat exchangers. Each type is designed for specific heat transfer requirements and applications.
Choosing the right heat exchanger depends on temperature requirements, fluid properties, pressure conditions, and required heat transfer efficiency.
Yes. Used heat exchangers are built for long service life and can remain highly reliable when properly maintained, cleaned, and inspected.
Heat exchangers are used in chemical processing, food production, energy, pharmaceuticals, and HVAC systems where temperature control is critical.