Napoleon Ascent 46 B46NTR Installation And Operation Manual page 28

rough framing
EN
MAXIMUM REAR VENT CLEARANCES (EXAMPLE 1)
REAR EXIT ENCLOSURE
The appliance requires a minimum enclosure height of 41 5/8" (105.7cm). For temperature requirements, the
enclosure space around and above the appliance must be left unobstructed.
note:
The vent shield must extend the full depth of the combustible wall. It can be cut to suit depths less than 8 1/2"
(216mm).
* See "venting" section.
28
W415-2370 / D / 12.09.20
24 1/8"
(61.3CM)
MINIMUM PLUS
RISE*