The HL Series is the most advanced offering in the company’s line of low-intensity infrared tube heaters. Features include highly emissive-coated aluminized steel radiant tubes, high-quality polished aluminum reflectors, self-diagnostic controls, and 24-V thermostat operation. The units have a range of 65,000-200,000 Btu (35 percent low-fire reduction), 20- to 70-foot tube lengths, and a specially designed stainless steel burner. The tube heater can run on either natural gas or propane.

Detroit Radiant Products, 21400 Hoover Rd., Warren, MI 48089; 800-222-1100 or 586-756-0950; 586-756-2626 (fax);;

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