GORDONRAY® DF Dual-Fired Infrared Heater - (Two-Stage Operation)

The GORDONRAY® DF features two-stage technology that can effectively adjust to sudden high heat-loss conditions, or economically maintain steady comfort levels due to the ability to fire at two distinct rates. Built to the same high standards that are expected with a ROBERTS GORDON® infrared heater, the GORDONRAY® DF is an excellent fuel efficient choice for heating in commercial/industrial applications.
The GORDONRAY® DF has a number of features that include dual burner status indicator lights, convenient external thermostat connection points that can also power a low voltage thermostat, a hinged door for easy access to electrical components during annual maintenance and fall season start-up. Maximize the radiant output by adding our new high efficiency aluminum reflectors to increase comfort levels and fuel savings.
Like our other unitary heaters, the GORDONRAY® DF has flexible layout options that include straight, u-tube, or “L” configurations along with a broad range of burner sizes and tube lengths.

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High Input (Btu/h) * (1000): 80, 100, 125, 150, 175, 200
Low Input (Btu/h) * (1000): 55, 70, 85, 105, 120, 130
Clearances to Combustibles (Clearances to Combustibles applies to heater hanging horizontally. Dimension listed for distance below heater.): 65in - 82in / 5.4ft - 6.8ft
Fuel Type: Natural Gas
Heat Exchanger Tubing: 10ft sections, 4" dia., 16 gauge, first ten feet ALUMI-THERM® steel tubing / Remaining Heat Treated Aluminized Steel Tubing
Reflector and End Caps: .024 Aluminum (Optional- .024 Stainless Steel Type 304)
Control System: Fully Automatic, Three-Try, 100% Shut-off, Direct Spark Electronic Ignition Control, Dual Stage Firing Rate
Certification: ANSI Z83.20 / CSA 2.34, 2.17, 2.20
Warranty: Three Year Limited
Gas-fired low-intensity infrared tube heaters are an extremely efficient and high comfort heating solution. Low-intensity tube heaters provide more design flexibility than any other type of infrared heater with the ability to direct heat only where needed in spot heating applications. Or designed to heat and maintain high comfort levels for an entire space, including buildings with high ceilings.
Gas-fired low intensity infrared tube heaters are ideal for applications such as: loading docks (dock doors), auto/vehicle repair shops, warehouses, distribution centers, manufacturing, airplane hangars, high heat-loss areas, greenhouses (e.g. flowers, cannabis, etc...), firehouses, outdoor patios (hospitality), chicken houses, hog houses, horse barns, military, and more!