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Heatec built the thermal fluid heater pictured here for use in the printing industry. It is a HCI helical coil heater with an output of 9.4 million Btu/hour.
In addition to its helical coil, the heater features two heat exchangers. One is for preheating combustion air to the burner. The other is for preheating thermal fluid before it enters the helical coil. The two exchangers increase the heater's efficiency to 91.5% LHV. Both exchangers are mounted in the heater's exhaust stack.
Heatec designed the heater's exhaust stack and heat exchangers to mount horizontally. This allows the fully assembled heater to fit the customer's limited space requirement. It also has the added benefit of allowing the heater's shell to support the weight of both heat exchangers.
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