State Water Heaters 301 Series Instruction Manual page 26

Note: Beware of concealed wiring and piping when
cutting through the roof.
8. Suspend the pipe(s) through center of hole using field supplied
metal strapping or equivalent support materials as shown in
(page 26).
Figure 22
9. Slide a roof boot or equivalent flashing over the pipe and
secure roof boot or equivalent flashing to roof and seal around
the flashing as shown in
(page 27).
Figure 24
10. Install the factory supplied intake air and/or vent termination(s)
using field supplied pipe and one field supplied 90° elbow as
shown in (page 26)The short section of pipe that
Figure 22
connects between the field supplied 90° elbow and the factory
supplied termination must not be excessive in length. The
exposed portion of this pipe shall be no more than 2 inches
(5 cm).
11. Return to
Power Vent Installation
(page 24) to complete the installation of the intake
Installation
air and/or vent piping between the termination(s) and the water
heater.
INTAKE AIR AND
VENT (EXHAUST) TERMINATIONS
45° ELBOW WITH RECESSED
DEBRIS SCREEN
Figure 21. Standard Factory Supplied Terminations
, (page 26)
Figure 22 Figure 23
(page 23) or
Direct Vent
2" (5 cm)
MAXIMUM
FIELD
SUPPLIED
90° ELBOW
FIELD SUPPLIED
and
, PLUMBING
ROOF BOOT
OR FLASHING
FIELD
SUPPLIED
STRAP/SUPPORT
Figure 22. Vertical Termination(s) Installation
INTAKE AIR AND/OR VENT
TERMINATION(S) MUST BE A
MINIMUM OF 24 INCES (60 cm)
ABOVE ANY PARAPET, VERTICAL
WALL OR STRUCTURE WITHIN
10 FEET (3 m) HORIZONTALLY.
Figure 23. Vertical Termination Flat Roof Clearance - Intake Air
26
FACTORY SUPPLIED
STANDARD TERMINATION
POINTED DOWN TOWARDS
THE GROUND
MAINTAIN 12" (30 cm)
18" (45 cm) FOR CANADA
MINIMUM CLEARANCE
ABOVE HIGHEST ANTICIPATED
SNOW LEVEL.
IF LESS THAN
10 FEET (3 m)
24 INCHES (60 cm)
MINIMUM HEIGHT ABOVE
and/or Vent (exhaust)