Used Enerquip / American Heating Hot Oil Heater AHE-235 | 2.35–2.4 MMBTU/hr Thermal Fluid System

Manufacturer Information

• Manufacturer: Enerquip / American Heating Company

• Model: AHE-235

• Type: Hot Oil Heater / Thermal Fluid Heater

• Condition: Used

• Configuration: Skid-Mounted, Outdoor Rated

• Previous Application: Cooking oil processing

• Manufacturer Overview: Enerquip and American Heating Company are well-known suppliers of industrial thermal fluid heating systems, offering robust designs for safe, efficient, indirect process heating across a wide range of industries.

Description

The Used Enerquip / American Heating Company Hot Oil Heater Model AHE-235 is a skid-mounted, gas-fired thermal fluid heating system rated at approximately 2.35–2.4 MMBTU/hr. Designed for indirect process heating, this unit provides precise, uniform temperature control while protecting product integrity and extending thermal fluid life.

The heater features a serpentine radiant coil combined with a finned convection (economizer) section, maximizing heat transfer efficiency. Constructed with seamless ASTM A-106 Grade B tubing, internal ceramic fiber insulation, and a ¼" carbon steel shell, the system is built for durability and long-term industrial operation.

Equipped with a fully modulating gas-fired burner, centrifugal hot oil circulation pump, remote expansion tank, and a comprehensive integrated control panel, this heater is engineered for safe, automated operation. Multiple built-in safety interlocks ensure reliable performance in demanding environments. The skid-mounted, outdoor-rated design allows for straightforward transport, installation, and integration into existing process systems.

Specifications

• Model: AHE-235

• Heat Output Rating: Approx. 2.35 – 2.4 MMBTU/hr

• Heating Method: Indirect thermal fluid (hot oil)

• Burner Type: Fully modulating gas-fired burner

• Coil Design:

  • Serpentine radiant coil

  • Finned convection (economizer) section

• Tubing Material: Seamless ASTM A-106 Grade B

• Shell Construction: ¼" Carbon Steel

• Insulation: Internal ceramic fiber

• Circulation Pump: Centrifugal hot oil pump

• Expansion Tank: Remote-mounted with level indication

• Controls: Integrated control panel

• Installation: Outdoor-rated, skid-mounted

Safety Features

• High oil temperature shutdown

• High stack temperature shutdown

• Low oil level protection

• Differential pressure monitoring

• Burner and system interlocks

Applications

• Industrial process heating

• Food and edible oil processing

• Chemical manufacturing

• Renewable fuels and bioenergy

• Plastics and polymer processing

• Asphalt and bitumen heating

• Industrial dryers and ovens

• Tank heating and tracing systems

• General manufacturing processes

• Contract process heating operations

What Might This Be Used For

• Cooking oil heating and processing

• Indirect heat for food production

• Chemical reactor temperature control

• Thermal fluid loop heating

• Industrial drying systems

• Process heat for renewable fuels

• Tank farm heating

• Jacketed vessel heating

• Manufacturing process control

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