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SECTION 4: Specifications
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4.6 Linear Heater
BH15ST
BH20ST
BH25ST
BH30ST
BH35ST
BH40ST
BH45ST
BH50ST
Input – kW 15 20 25 30 35 40 45 50
Input – MJ 54 72 90 110 125 138 162 180
Tube Length – mm 6096 9144 9144 12192 12192 12192 15240 15240
Overall Heater Length - mm 6661 9709 9709 12757 12757 12757 15815 15815
Weight – kg 41 55 55 68 68 68 81 81
Heated Area – m
2
20-160 30-210 40-265 50-315 55-370 65-420 70-475 80-525
Minimum Installation
Height* – m
2.5 2.5 3.0 3.5 4.6 5.0 5.0 5.0
Recommended Installation
Height* – m
3.0 3.5 3.9 4.2 4.8 5.5 6.7 7.6
4.8 U-Tube Heater
BH15UT
BH20UT
BH25UT
BH30UT
BH35UT
BH40UT
BH45UT
BH50UT
Input – kW 15 20 25 30 35 40 45 50
Input – MJ 54 72 90 110 125 138 162 180
Tube Length – mm 3323 4843 4843 6363 6363 6363 7998 7998
Overall Heater Length - mm 3893 5417 5417 6941 6941 6941 8465 8465
Weight – kg 39 54 54 65 65 66 96 96
Heated Area – m
2
20-160 30-210 40-265 50-315 55-370 65-420 70-475 80-525
Minimum Installation
Height* – m
2.5 2.8 3.5 4.0 5.0 5.0 5.0 5.0
Recommended Installation
Height* – m
3.0 3.5 3.9 4.2 4.8 5.5 6.7 7.6
*Heights quoted are from ground level to bottom face of firing tube.
NOTE:- Factory recommended mounting heights are listed above as a guideline. If infra-red heaters are
mounted too low, they may result in heat discomfort. It is generally recommended to observe the
recommended mounting heights to optimize comfort conditions. However, certain applications such as spot
heating, freeze protection, outdoor patio heating or very high ceilings may result in the heaters being
mounted outside of the factory recommended mounting heights. Clearances to combustibles must always be
maintained.