Roberts Gorden Low Intensity Unitary Heater Designed for Harsh Environments HE-40 - Manual (Page 33)

SECTION 7: O PTIONAL H EATER A CCESSORIES
27
FIGURE 18: U-Tube Heater Assembly Overview
U-tube
18" (45.7 cm)
Center to Center
1 2
1 2
1 2
Burner
Reflector
Turbulator
(With Select
Models)
Tube Clamp
Package
Burner
Tube
Tube
U-tube
Support Bracket
Reflector
Support
Couplings
U-tube, Standard
U-tube, Opposite 45°
Nut
Lock Washer
Lock Washer
Nut
U-bolt
Vent
Adapter
Vent
Cap
Vent
Cap
*Additional tube clamp package
comes with stainless steel tube
packages and stainless steel
u-tube packages.
*
*
*
1
2
U-clips
Reflector
End Caps
Tight U-bolt
4" (10 cm) U-bolt,
secured to burner tube
with 1/4" (6 mm)
lockwashers and
1/4"-20 hex nuts
Loose U-bolt
4" (10 cm) U-bolt,
secured to bracket with
1/4" (6 mm) lockwashers
and 1/4"-20 hex nuts on
top and bottom to
allow for tube expansion
and contraction
U-tube, Full 45°
Mounting hardware shown is for indoor installation only.
See Page 17, Figure 15 for outdoor suspension details.