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18
-B-
d
.008
d
.010
#
Min. 12 in.
(30.5 cm) Above Roof
or Anticipated Snow
Level; which
ever is highest
and
Max. 24 in. (61 cm)
Above Roof
(Without Additional
Support)
Terminals with 1/2 in. (1.3 cm) Mesh
Protective Screens and Termination
Restrictors Inside.
Note: Termination Restrictors used on
75 Gallon models ONLY
Exhaust Vent Pipe Through Roof
Elbow
3" Piece
of Pipe
Exhaust Vent
#
Optional -
Condensate
Management
Drain Port*
-B-
d
.008
d
.010
Alternate Vent Pipe Through Roof
Exhaust Vent
3" Piece of Pipe
Slope 1/8 in. per foot
(10 mm per m) towards
the water heater
#
Min. 12 in.
(30.5 cm) Above Roof
or Anticipated Snow
Level; which
ever is highest
and
Max. 24 in. (61 cm)
Above Roof
(Without Additional
Support)
#
Terminals with 1/2" Mesh
Protective Screens Inside.
Optional - Condensate
Management Drain
Port*
*See Condensate Management Section for additional information about optional piping.
Installing the water heater
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