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17
Installation & Operation Manual
2 General venting (continued)
PVC/CPVC vent piping materials
Use only the materials listed in Table 2A
on page 19 for vent pipe, and fittings.
Failure to comply could result in severe
personal injury, death, or substantial
property damage.
Installation must comply with local
requirements and with the National Fuel
Gas Code, ANSI Z223.1 for U.S.
installations or CSA B149.1 for Canadian
installations.
Install vent and combustion air piping
ƽ DANGER
The SYNC must be vented and supplied
with combustion and ventilation air as
described in this section. Ensure the vent
and air piping and the combustion air
supply comply with these instructions
regarding vent system, air system, and
combustion air quality. See also Section 1
of this manual.
Inspect finished vent and air piping
thoroughly to ensure all are airtight and
comply with the instructions provided
and with all requirements of applicable
codes.
Failure to provide a properly installed
vent and air system will cause severe
personal injury or death.
All PVC vent pipes must be glued,
properly supported, and the exhaust must
be pitched a minimum of a 1/4 inch per
foot back to the boiler (to allow drainage
of condensate).
This appliance requires a special venting
system. Use only the vent materials,
primer, and cement specified in this
manual to make the vent connections.
Failure to follow this warning could result
in fire, personal injury, or death.
ƽ WARNING
NOTICE
ƽ WARNING
ƽ WARNING
For closet and alcove installations, CPVC
material MUST BE used in a closet/alcove
structure. Failure to follow this warning
could result in fire, personal injury, or
death.
NOTICE
For all installations, the first ten (10)
equivalent feet of vent must be CPVC or
stainless steel (see FIG.’s 2-1A and 2-1B
below). Failure to follow this warning could
result in fire, personal inury, or death.
ƽ WARNING
5'
CPVC ELBOW
CPVC PIPE
Figure 2-1A CPVC Starter Vent - Horizontal
5'
CPVC PIPE
CPVC PIPE
CPVC ELBOW
Figure 2-1B CPVC Starter Vent - Vertical