Roberts Gorden BH-175, BH-60, BH-40, BH-150, BH-115 U-TubeHeater Layout Overview, Legend, 27 of

			SECTION 7: OPTIONAL HEATER ACCESSORIES
FIGURE 19: U-Tube Heater Layout Overview
LEGEND		bc
	g		e
Burner
Reflector	h
Tube 10' (3.0 m)		20' (6.1 m) Tube Length*
Tube 5' (1.5 m)**
Tube/Reflector		bc
Hanger
Coupling	g	d	f
Assembly
U-tube
Vent Adapter	h
(Not Shown)
a = 14" (36 cm)		30' (9.1 m) Tube Length**
Reflector Width (Not Shown)
b = 2" (5 cm)		b
End Cap to Burner
		c
c = 2" (5 cm)	g	d	e
End Cap to Hanger
d = 7' 6" (2.3 m)
Distance First Hanger
e = 10' (3.0 m)	h
Distance Between Hangers		40' (12.2 m) Tube Length
f = 5' (1.5 m)
Distance Between Last Full Tube
Hanger and Half Tube Hanger
g = 12.5" (32 cm) Burner Length		bc
h = 11" (28 cm) Burner Height
	g	d	e	f
* Requires the last reflector
before the u-tube to be cut in
half for use on both sides.
** Requires the last tube before	h
the u-tube to be cut in half for
use on both sides.		50' (15.2 m) Tube Length* **
				27 of 59