Napoleon Fireplaces B30NTR - Manuel (Page 13)

13
W415-1296 / 05.20.14
EN
3.3 SPECIAL VENT INSTALLATIONS
3.3.1 PERISCOPE TERMINATION
12" (305MM)
MINIMUM
TO GRADE
Use the periscope kit to locate the air termination above grade. The periscope must be installed so that
when fi nal grading is completed, the bottom air slot is located a minimum 12” (304.8mm) above grade. The
maximum allowable vent length is 10’ (3.1m) for a fi replace and 8’ (2.4m) for a stove.
9.4A
12" (305MM)
MINIMUM
TO GRADE
30" (762MM)
MINIMUM
30" (762MM)
MINIMUM
34 1/16"
(865MM)