Initial Installation
QUALIFIED INSTALLERS ONLY
a
LLowabLe
m
inimum
v
ent
L
ength
:
Refer to Table 6 and Figure 32 below for the minimum allowable venting setup for the Westley. Note,
when installing at minimum vent length only the following horizontal terminations are approved for use:
Figure 32. Minimum Vent Length
Approved through
wall thimble
2’ (61 cm)
length -
NG
3’ (91 cm)
length -
LP
12” (30.5 cm)
Maximum Horizontal
Length
5” (12.7 cm)
Minimum Rear
Clearance
Exterior Wall
55.5” (141 cm)
Minimum
Height -
NG
67.5” (171 cm)
Minimum
Height -
LP
Manufacturer
Part Number
M&G DuraVent DirectVent Pro
46DVA-HC
46DVA-H2*
* Throttle set to the most open position
Table 6: Approved Minimum Vent Terminations
25
Note: When installing
above minimum allowable venting
any horizontal termination listed in Table 4
(page 22) is permitted for use.
