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U-Tube Configurations
U-tubes may be used to produce a variety of configurations. Contact Reznor support for further details.
⚠ CAUTION ⚠
30-, 50-, and 70-foot U-tube configurations require 5-foot extension tube sections—10-foot extension
tubes must be cut. U-tubes are not approved for use on unit size 40. For unit sizes 60 and 80, a
minimum of 10 feet (3 meters) is required between the burner and the U-tube—minimum 15 feet
(4.5 meters) for unit sizes 100–200.
Figure 6. U-Tube Configurations
20-FOOT (6.1-METER)
30-FOOT (9.1-METER)
40-FOOT (12.2-METER) 50-FOOT (15.2-METER)
60-FOOT (18.3-METER)
70-FOOT (21.3-METER)
A = BURNER CABINET E = SUSPENSION BRACKET
B = SUSPENSION BRACKET WITH CLAMP F = COUPLING
C = REFLECTOR G = EXTENSION TUBE
D = BURNER TUBE H = U-TUBE
A
B
C
D
E
FG H
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