Installation Of Vent System, Sidewall - A.O. Smith POWER VENT GAS Installation And Operating Manual

FIGURE 24
150mm. (6 in.)
MIN. LENGTH
ATTACH 45°
TERMINATION
ELBOW
RODENT
SCREEN
(INSTALL
300mm
INTO
SEALANT
(12 in.) min.
ELBOW)
GROUND
LEVEL*
* WHERE SNOW COVER IS NORMAL DURING WINTER, ENSURE SUFFICIENT
VENT CLEARANCE TO PREVENT BLOCKAGE OR ICE BUILDUP.
FIGURE 25

INSTALLATION OF VENT SYSTEM, SIDEWALL

With the route of the venting system and selection of
materials completed, as discussed in the section of this
manual titled "Planning The Vent System", the through the
wall vent terminal in place and the fi rst section of piping,
up to fi rst elbow, installed at the rubber coupling, it is time
to complete the installation of the venting system for the
sidewall installation.
316888-001 Rev. 00 dRaFt Jun 28 245
SEALANT
VENT PIPING TO BE
SLOPED (DOWN)
TOWARD HEATER
TO PREVENT WATER
FROM COLLECTING.
TERMINATION
(12 in.) min.
* WHERE SNOW COVER IS NORMAL DURING WINTER,
ENSURE SUFFICIENT VENT CLEARANCE TO PREVENT
BLOCKAGE OR ICE BUILDUP.
Before completing the installation of the venting system
be sure to read the instructions provided by the venting
manufacturer regarding the proper method of cutting and
cementing PVC pipe and fi ttings.
It is recommended that the completion of the venting
system start at the rubber coupling and run to the coupling
on the inside wall of the vent terminal (see Figure 23).
The vent system piping should be supported as per the
instructions provided by the venting manufacturer. All
piping and fi ttings must be joined by the proper procedures
as described.
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FIGURE 26
ATTACH 45° BRACKET
ELBOW
RODENT
SCREEN
(INSTALL
INTO
ELBOW)
300mm
VENT
RISER
GROUND
LEVEL*
SEALANT
FIGURE 27
EQUIVALENT
VENT LENGTH
MEASURED
FROM THIS
POSITION
SEALANT
VENT
PIPING TO
BE SLOPED
(DOWN)
TOWARD
HEATER TO
PREVENT
WATER FROM
COLLECTING.
23