14
As shown in the image below, tighten the expander screws to secure them, hang the unit vertically
and screw it in with nuts, insert plastic plugs under it, and screw in the self-tapping screws.
b. Rear upper exhaust installation mode.
Tilt down to 3 °
Packing seal
3-Ф8
Ф 90 ~ Ф 100 round
hole through wall
140
90
595,3
1 mounting hole for
expander screw
2 mounting holes for
plastic plug with self-
tapping screw
NOTE
The B22 gas water heater should be installed and used in a well-ventilated area
outside the bathroom.
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