Ventis HEI170 - Minimum Masonry Opening and Clearances to Combustibles

Page 33
Installation and Operation Manual - HEI170
ENGLISH
9.3 Minimum Masonry Opening and Clearances to Combustibles
COMBUSTIBLE MANTEL SHELF
COMBUSTIBLE
TOP SURROUND
COMBUSTIBLE
SIDE SURROUND
ADJACENT SIDE WALL
FLOOR PROTECTION
J
I
H
Q
G
F
K
L
O
P
Masonry Opening and Clearances
MINIMUM CLEARANCES
F 16" (406 mm)
G 9" (229 mm)
H 27" (686 mm)
I 27" (686 mm)
Q 84" (213 cm)
MAXIMUM
THICKNESS
O 5" (127 mm)
P 12" (305 mm)
MINIMUM MASONRY
OPENING
J 21 ½" (546 mm)
K
16
27 ½" (700 mm)
L
12 ¾" (324 mm)
16
If a fresh air intake is required, it is recommended to add at least 4" to the width of the minimum opening of the hearth.