SECTION 7: O
PTIONAL
H
EATER
A
CCESSORIES
25
FIGURE 1
8
: U-Tube Heater Assembly Overview
U-tube
18" (46 cm)
Center to Center
U-clips
Reflector
End Caps
1
2
Burner
Reflector
Turbulator
(With Select
Models)
Tube Clamp
Package
Burner
Tube
Tube
U-tube
Support Bracket
Reflector
Support
Couplings
U-tube, Standard
Nut
Lock Washer
Lock Washer
Nut
U-bolt
1
2
1
2
U-tube,
Opposite 45°
Vent Adapter
1
U-tube,
45°
2
Tight U-bolt
4" (10 cm) u-bolt,
secured to burner tube
with 1/4" (.6 cm)
lockwashers and
1/4"(.6 cm) -20 hex nuts.
Loose U-bolt
4" (10 cm) u-bolt,
secured to bracket with
1/4" (.6 cm) lockwashers
and 1/4" (.6 cm)-20 hex
nuts on top and bottom to
allow for tube expansion
and contraction.
