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Gas Tube Radiant Heaters U Tube

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The Roberts Gordon Gas Tube Radiant Heaters U-Tube range offers efficient, wide-coverage heating solutions designed for large open spaces like warehouses, factories, logistics centres, and sports venues. Using radiant heating technology, the U-Tube series transfers warmth directly to people, objects, and surfaces below — significantly reducing energy waste compared to traditional air heating systems.

The curved U-shaped tube design allows for broader heat distribution than linear models, making it ideal for applications where wider heating zones are needed. Available in 3m to 7.5m lengths with heating outputs from 18kW to 50kW, the GTU range is supplied as standard in Natural Gas, with LPG models available upon request. Each unit includes wall brackets and suspension chains for straightforward ceiling mounting, and is engineered for long-lasting, reliable performance in industrial and commercial environments.

*Flue kit may be required in some states – please check with your local authority
**Requires gas filter to install

Key Features:

  • Energy-efficient U-tube radiant heating – wider coverage than linear units
  • Heats objects and people directly, minimising air heat loss
  • Natural Gas standard – LPG models available (contact us)
  • Lengths: 3m, 4.5m, 6m, and 7.5m
  • Heating outputs from 18kW to 50kW
  • Stainless steel flue kit included
  • Wall brackets and suspension chain supplied
  • Built for tough industrial and commercial conditions

 

Applications:

  • Warehouses
  • Factories
  • Workshops
  • Aircraft hangars
  • Sporting facilities
  • Distribution and logistics centres
  • Agricultural buildings
  • Manufacturing plants
Part number: GTU
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Product Information

Specifications

Part No. GTU-15-LPG GTU-15-NG GTU-25-LPG GTU-25-NG GTU-30-LPG GTU-30-NG GTU-35-LPG GTU-35-NG GTU-40-LPG GTU-40-NG GTU-50-LPG GTU-50-NG GTU-50-LPG-9 GTU-50-NG-9 GTU-50-LPG-12 GTU-50-NG-12
Model 39BH15UTL 39BH15UTN 39BH25UTL 39BH25UTN 39BH30UTL 39BH30UTN 39BH35UTL 39BH35UTN 39BH40UTL 39BH40UTN 39BH50UTL 39BH50UTN 39BH50UTL/9 39BH50UTN/9 39BH50UTL/12 39BH50UTN/12
Fuel Type LPG NG LPG NG LPG NG LPG NG LPG NG LPG NG LPG NG LPG NG
Heating Area (m2) 28 28 49.5 49.5 63 63 70 70 77 77 127.5 127.5
Heat Input (KW/MJ/hr) 15/54 15/54 25/90 25/90 30/110 30/110 35/125 35/125 40/138 40/138 50/180 50/180 50/180 50/180 50/180 50/180
Voltage 240V 240V 240V 240V 240V 240V 240V 240V 240V 240V 240V 240V 240V 240V 240V 240V
Plug Connection Hard Wired Hard Wired Hard Wired Hard Wired Hard Wired Hard Wired Hard Wired Hard Wired Hard Wired Hard Wired Hard Wired Hard Wired Hard Wired Hard Wired Hard Wired Hard Wired
Consumption (m3/H) 0.6 1.4 0.9 2.4 1.1 2.9 1.3 3.4 1.5 3.8 1.9 4.8
Tube Length (m) 3 3 4.5 4.5 6 6 6 6 6 6 7.5 7.5 9 9 12 12
Overall Heater Length (m) 3.8 3.8 5.3 5.3 6.9 6.9 6.9 6.9 6.9 6.9 8.4 8.4 9.9 9.9 12.9 12.9
Min Install Height (m) 3.5 3.5 4 4 4.5 4.5 5 5 5 5 5 5
Recommended Install Height (m) 3.5 3.5 4.5 4.5 4 4 5 5 5.5 5.5 7.5 7.5
Weight (KG) 39 39 54 54 65 65 65 65 66 66 96 96

 

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