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.:
49082003Cust-O-Fab U Tube 3150 sq ft Shell & Tube Heat Exchanger
Used- Cust-O-Fab U Tube Shell & Tube Heat Exchanger. Approximate 3150 Square Feet. Carbon steel shell rated 1715 psi at 25 to 610 Degrees F. (295) 1" diameter x 20' long SA-213-T11 Chromium-molybdenum steel tubes rated 2184 psi at 30 to 750 degrees F. 1-1/4" tube pitch. Two pass. Openings shell: (3) 8", tubes: 14", 12". Saddle mounted. Serial# 97-202. National Board# 4666. All openings are pipe stubs.
MFR: Cust-O-Fab
Stock No.:
10749160Used 333 Sq Ft Heat Exchanger, Duplex 2205 Construction, 662 PSI Shell Rating, 2023
Used Wuxi Chemical Equipment Horizontal 333 sq. ft. Shell and Tube Heat Exchanger. 3/4" dia Duplex 2205 stainless steel tubes rated 288.3 psi at 32 to 330 degrees F, 16' 7'' tube length. Duplex 2205 shell rated 662.3 psi at 32 to 300 degrees F. 15'' Shell diameter. Carbon steel head. National Board #573, Serial #WHA22-087-2-2-C, built 2023.
Stock No.:
10749162Unused Wuxi Chemical Equipment 333 Sq Ft Shell & Tube Heat Exchanger, Duplex 2205, 2023
Unused Wuxi Chemical Equipment 333 Square Foot Horizontal Shell and Tube Heat Exchanger. Duplex 2205 stainless steel tubes rated 288.3 psi at 32 to 330 degrees F, 16' 7'' Tube length. Carbon steel head. 15'' Shell diameter. Duplex 2205 shell rated 662.3 psi at 32 to 300 degrees F. National Board #572, Serial #WHA22-087-2-1-B, built 2023.
Stock No.:
10749164Unused Wuxi 333 Sq Ft Shell and Tube Heat Exchanger, Duplex 2205 Tubes & Shell, High Pressure
Unused Wuxi Chemical Equipment 333 Square Foot Shell and Tube Heat Exchanger, Horizontal. Duplex 2205 stainless steel tubes rated 288.3 psi at 32 to 330 degrees F, 16' 7'' Tube length. 15'' Shell diameter. Carbon steel head. Duplex 2205 shell rated 662.3 psi at 32 to 300 degrees F. National Board #574, Serial #WHA22-087-2-2-D, built 2023.
Stock No.:
48291017Unused 4-Pass U-Tube Shell & Tube Heat Exchanger – 3,409 Sq. Ft., Carbon Steel
Unused Ilsung Corporation 4-pass U-tube shell and tube heat exchanger with approximately 3,409 sq. ft. of heat transfer surface area, TEMA Type AEU, carbon steel construction and horizontal configuration. Shell is rated for 369 pounds per square inch/full vacuum at 392 degrees F. Equipped with (368) 3/4" diameter x 288" long tubes rated for 364 pounds per square inch/full vacuum at 320 degrees F. Shell-side openings include (2) 4" and (2) 8", with tube-side openings consisting of (2) 2" and (2) 6". Serial #14-HE-067, National Board #2051, built 2014. Overall dimensions approximately 358"L x 44"W x 88"T with a weight of approximately 27,313 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.:
48291032U Tube Shell & Tube Heat Exchanger, Unused- 4 Pass
Shell & Tube Heat Exchanger, Approximate 3409 Square Feet, Tema Type AEU, Carbon Steel, Horizontal. Shell rated 369psi/Full Vacuum at 392 degrees F., (368) 3/4" diameter x 288" long tubes rated 364psi/Full Vacuum at 320 degrees F. Openings shell (2) 4", (2) 8", openings for tubes (2) 2", (2) 6". Mfg: Ilsung Corporation. Serial# 14-HE-071, National Board# 2055, built 2014. Unused- 4 Pass U Tube. OAD 358"L X 44"W X 88"T, 27313 lbs. Documents available. Nitrogen purged by manufacturer after testing and prior to storage.
MFR: Ilsung Corporation
Stock No.:
48291044Unused 3,409 Sq. Ft., Carbon Steel 4-Pass U-Tube Shell & Tube Heat Exchanger – Industrial
Unused- Carbon Steel Approximate 3409 Square Feet 4-Pass U Tube Shell & Tube Heat Exchanger, Tema Type AEU, Horizontal. Shell rated 369psi/Full Vacuum at 392 degrees F., (368) 3/4" diameter x 288" long tubes rated 364psi/Full Vacuum at 320 degrees F. Openings shell (2) 4", (2) 8", openings for tubes (2) 2", (2) 6". Mfg: Ilsung Corporation. Serial# 14-HE-072, National Board# 2056, built 2015. OAD 358"L X 44"W X 82"T, 26609 lbs. Documents available. Nitrogen purged by manufacturer after testing and prior to storage.
MFR: Ilsung Corporation
Stock No.:
48291045Unused Horizontal 4-Pass U-Tube Shell & Tube Heat Exchanger – 3,409 Sq. Ft., Carbon Steel
Unused Horizontal 4 Pass U Tube Carbon Steel Shell & Tube Heat Exchanger, Approximate 3409 Square Feet, Tema Type AEU. Shell rated 369psi/Full Vacuum at 392 degrees F., (368) 3/4" diameter x 288" long tubes rated 364psi/Full Vacuum at 320 degrees F. Openings shell (2) 4", (2) 8", openings for tubes (2) 2", (2) 6". Mfg: Ilsung Corporation. Serial# 14-HE-074, National Board# 2058, built 2015. Overall dimensions 358"L X 44"W X 82"T. Approximately 27,000 lbs. Documents available. Nitrogen purged by manufacturer after testing and prior to storage.
MFR: Ilsung Corporation
Stock No.:
48291046Unused 4-Pass U-Tube Shell & Tube Heat Exchanger – 3409 Sq Ft, Carbon Steel
Unused- 4 Pass U Tube Shell & Tube Heat Exchanger, Approximate 3409 Square Feet, Tema Type AEU, Carbon Steel, Horizontal. Shell rated 369psi/Full Vacuum at 392 degrees F., (368) 3/4" diameter x 288" long tubes rated 364psi/Full Vacuum at 320 degrees F. Openings shell (2) 4", (2) 8", openings for tubes (2) 2", (2) 6". Mfg: Ilsung Corporation. Serial# 14-HE-073, National Board# 2057, built 2015. OAD 358"L X 44"W X 82"T, 27313 lbs. Documents available. Nitrogen purged by manufacturer after testing and prior to storage.
MFR: Ilsung Corporation
Stock No.:
48291047Buy Unused Shell & Tube Heat Exchanger – TEMA AEU, Carbon Steel, Horizontal
Shell & Tube Heat Exchanger, Unused- 4 Pass U Tube. Approximate 3409 Square Feet, Tema Type AEU, Carbon Steel, Horizontal. Shell rated 369psi/Full Vacuum at 392 degrees F., (368) 3/4" diameter x 288" long tubes rated 364psi/Full Vacuum at 320 degrees F. Openings shell (2) 4", (2) 8", openings for tubes (2) 2", (2) 6". Mfg: Ilsung Corporation. Serial# 14-HE-075, National Board# 2059, built 2015. OAD 358"L X 44"W X 82"T, 27313 lbs. Documents available. Nitrogen purged by manufacturer after testing and prior to storage.
MFR: Ilsung Corporation
Stock No.:
48291060Shell & Tube Heat Exchanger, 4 Pass U Tube, Unused
Unused- 4 Pass U Tube Shell & Tube Heat Exchanger, Approximate 3409 Square Feet, Tema Type AEU, Carbon Steel, Horizontal. Shell rated 369psi/Full Vacuum at 392 degrees F., (368) 3/4" diameter x 288" long tubes rated 364psi/Full Vacuum at 320 degrees F. Openings shell (2) 4", (2) 8", openings for tubes (2) 2", (2) 6". Mfg: Ilsung Corporation. Serial# 14-HE-076, National Board# 2060, built 2015. OAD 358"L X 44"W X 82"T, 26609 lbs. Documents available. Nitrogen purged by manufacturer after testing and prior to storage.
MFR: Ilsung Corporation
Stock No.:
48291061Shell & Tube Heat Exchanger, Unused- U Tube
Unused- 4 Pass U Tube Shell & Tube Heat Exchanger, Approximate 3409 Square Feet, Tema Type AEU, Carbon Steel, Horizontal. Shell rated 369psi/Full Vacuum at 392 degrees F., (368) 3/4" diameter x 288" long tubes rated 364psi/Full Vacuum at 320 degrees F. Openings shell (2) 4", (2) 8", openings for tubes (2) 2", (2) 6". Mfg: Ilsung Corporation. Serial# 14-HE-078, National Board# 2062, built 2015. OAD 358"L X 44"W X 82"T, 26609 lbs. Documents available. Nitrogen purged by manufacturer after testing and prior to storage.
MFR: Ilsung Corporation
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.