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SECTION 7: OPTIONAL HEATER ACCESSORIES
25 of 59
SECTION 7: OPTIONAL HEATER ACCESSORIES
7.1 U-Tube Configuration
Heaters (except BH-40) are approved for optional
U-tube configurations.
The U-tube may be installed in either a standard
horizontal position, a 45° position or in an opposite
45° position as shown on Page 7, Figure 7 through
Page 8, Figure 9. When using a U-tube configuration,
the following additional rules must be adhered to:
• A minimum of 10
'
(3 m) on BH-60/80 and a
minimum of 15
'
(4.5 m) on BH-100/115/125/140/
150/175/200 is required between the burner and
the U-tube.
• The correct turbulator (See Page 21, Step 6.4)
must be installed in the last standard section of
the tube.
• The burner must never be operated in a tilted
position.
• The heater must be properly supported at all
locations. See Page 27, Figure 19.
WARNING
Cut/Pinch Hazard
Wear protective gear during installation,
operation and service.
Edges are sharp.
Failure to follow these instructions can result
in injury.