Drilling Flue Hole; Dimensions - Rinnai RHFE-263FAII Owner's Operation And Installation Manual

Drilling Flue Hole

Ensure that there are no gas or water lines, or
electrical circuits in the wall location where the flue
hole is to be drilled. Drill the flue hole using a 3 1/8
inch (80 mm) drill. The center of the hole must be
located exactly at the specified point.

Dimensions

FLUE
ELBOW
3 7/16" (88)
4 5/16" 4 3/4"
(109.5) (121)
4 1/2"
3 1/8"
(114)
(φ80)
16 3/4" (425)
Rinnai Corporation RHFE-263FAⅡ
See diagram. For weatherboard walls, drill through
the center of the weatherboard from the outside first
and then through the plasterboard. A template is
provided.
4 5/16"
(109.5)
4 1/2"
FLUE
ELBOW
6 1/2" (165)
WALL OPENING
POSITION
GAS CONNECTION
inches (mm)
(114)
3 1/8"
(φ80)
WALL OPENING
POSITION
3 3/8" (85)
1 5/8" (41.2)
GAS CONNECTION
1" (25)
17