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Vapor Power – Hi-R-Temp® Thermal Fluid Heaters

Capacities from: 400,000 to 20,000,000 BTU/Hr
Temperatures: Up to 750°F completely packaged, fully tested

Full Output in 5 Minutes
Fully Modulating Output
Compact Size & Weight
Closed Loop System
High Temperature at Low Pressure
No Water Treatment System or Steam Traps

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The HI-R-Temp® thermal fluid heater is a forced circulation coil type thermal fluid heater in which fluid circulates through a set of coils. More efficient than helical coil type heaters, the HI-R-Temp® thermal fluid heater coils are parallel connected and have a minimum of seven concentric layers.

The pump is sized specific to the flow rate and pressure drop requirements of each application, maintaining the fluid bulk and film temperature properties. Combustion air and fuel are controlled by PID control in response to fluid outlet temperature. The small volume and high fluid velocity allow the HI-R-Temp® thermal fluid heater to respond quickly to changing system output requirements.

Vapor Power heaters can be provided with many system accessories that include thermal fluid pump and motor sets, expansion tanks, skid mounted systems, system valves, thermal fluid, and more.


With over 100 years of experience in the industry and thousands of operating units, Vapor Power stands ready to assist with any specific application. For the marine industry, computer simulation of process systems and heat loss analysis are available to ensure the proper system for your application. Common applications include:



  • Asphalt Terminals & Processing
  • Chemical Processing
  • Corrugated & Paper Processing
  • Food Processing
  • Marine- Barges & Ocean Vessels
  • Oil & Gas Processing
  • Process Steam & Heat
  • Waste Water Treatment Facilities


The Hi-R-Temp® thermal fluid heater is available with the latest in communications and controls technology. Linkageless burner controls are a standard feature, when desired, allowing for optimal efficiency at all firing rates. A variety of PLC and HMI solutions are available and their in-house programming provides customized solutions for every application. Remote data acquisition and control is available via ModBus, Ethernet, Bacnet, or other communication protocol. Other applications call for simple, mechanical controls with a control panel using non-proprietary components.


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