Napoleon Ascent B42NTR Installation And Operation Manual page 26

rough framing
EN
MINIMUM REAR VENT CLEARANCES
For rear vent termination not exceeding 10" (254mm) of horizontal vent run.
6 5/8"
(16.8cm)
35"
(88.9cm)
REAR EXIT ENCLOSURE
The appliance requires a minimum non-combustible enclosure height of 41 5/8" (105.7cm). For temperature
requirements, the enclosure space around and above the appliance must be left unobstructed.
* See "venting" section.
26
W415-1293 / G / 07.06.18