Installation Guide

6
Check point Can be installed(OK) Cannot be installed(NG)
Mark "
ゝ
" if each condition
is matched.
3.B-Vent shape
Round
Oval
4.B-Vent diameter 3" or 4" 5" or larger
5.Horizontal distance
between B-Vent
connection from the
ceiling and the unit is
no more than 5ft.
5ft or less More than 5 ft
6.Vent length from the
top of unit to the rain
cap.
25 feet or less More than 25 feet
If you need more than 25 feet of Flex pipe
contact Noritz America 1-866-766-7489