Napoleon B42NTRE Manuel D'installation Et D'utilisation page 27

rough framing
EN
MINIMUM REAR VENT CLEARANCES
For rear vent termination not exceeding 10" (254mm) of horizontal vent run.
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.
* See "venting" section.
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W415-2367 / B / 12.09.20