Figure 12: Venting - Roberts Gorden Vantage HE-40 Installation, Operation & Service Manual

HE-S I , O
ERIES NSTALLATION PERATION AND
NOTE: 1. All dimensions are from the surfaces of all tubes, couplings and elbows.
2. Clearances B, C and D can be reduced by 50% after 25' (7.5 m) of tubing downstream
from where the burner and burner tube connect.

FIGURE 12: VENTING

A
E
Unvented
Radiant Tubes
Vented
10
S M
ERVICE ANUAL
Model
HE-40
Vent
HE-60
Pipes
HE-80
HE-100
HE-125
F
HE-150
HE-175
(inches)
A E F
14 18 18
14 18 18
20 24 18
20 24 18
20 24 18
20 30 18
20 30 18
(centimeters)
A E F
36 46 46
36 46 46
51 61 46
51 61 46
51 61 46
51 77 46
51 77 46