Freestyle 2 Series Manual page 16

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2
series
6 Venting/air piping — general
Figure 20
Venting and air piping — DIRECT VENT ONLY — OPTIONS and PIPING LIMITS
The table below lists the acceptable vent/air pipe terminations described in this manual. Follow all instructions provided to install the
vent/air system.
For these applications, use ONLY the manufacturers' parts listed and follow all instructions provided by the pipe manufacturer.
(Minimum length for all applications is 2 feet equivalent plus termination)
(All applications include allowance for the termination fittings plus one elbow in air piping and one elbow in vent piping)
See Figure 21, page 17 for material specifications | See Figure 164, page 121 for part/kit numbers
Boilers will derate as vent/air pipe length increases —
SIDEWALL termination
Separate pipes
[Note 1]
See page 21
Size,
Materials
inches
Fig. 21, page 17
PVC/PVC-DWV
2
CPVC, PP, SS
80
PVC/PVC-DWV
3
CPVC, PP, SS
PVC/PVC-DWV
2
CPVC, PP, SS
120
PVC/PVC-DWV
3
CPVC, PP, SS
2
CPVC, PP, SS
155
PVC/PVC-DWV
3
CPVC, PP, SS
All elbows in vent and air piping must be sweep elbows ONLY. DO NOT use short-radius elbows.
Equivalent feet for elbows (USE SWEEP ELBOWS ONLY) — deduct from max equivalent length of piping (does not apply to termination fittings).
• 7 feet per for each additional 90° sweep elbow or 45° elbow —
ABS may be used for intake air.
Material abbreviations: PP = polypropylene, SS = AL29-4C stainless steel.
If using stainless pipe, provide adapters for terminations, if required.
Note 1:
IPEX 3" PVC concentric vent kits can be used with standard PVC pipe, fittings and cement (ANSI/ASTM D1785) except if ULC S636 compliance
is required. For ULC S636 compliance, all pipe, fittings and cement must be IPEX System 636. For UL 1738 compliance all pipe, fittings and
cement must be IPEX System 1738. If using IPEX kits, use only IPEX product code 196006 for 3" venting.
16
-
wall mount gas
fired water boiler
below, but also approved, are the polypropylene piping and terminations listed in Figure 21, page 17.
NOT SHOWN
Maximum vent and air pipe length =
100 feet for all applications
Vent and air pipe sizes:
Maximum vent lengths apply for 3" vent and air pipe.
PVC or PP Concentric
[Note 1]
See page 23
Size,
Materials
inches
Fig. 21, page 17
PVC/PVC-DWV
2
CPVC, PP, SS
PVC/PVC-DWV
3
CPVC, PP, SS
PVC/PVC-DWV
2
CPVC, PP, SS
PVC/PVC-DWV
3
CPVC, PP, SS
2
--------
PVC/PVC-DWV
3
CPVC, PP, SS
continued
*
see Rating data on Figure 178, page 135 for derate amounts.
VERTICAL termination
Separate pipes
PVC or PP Concentric
[Note 1]
See page 25
Size,
Materials
Size,
inches
Fig. 21, page 17
inches
PVC/PVC-DWV
2
2
CPVC, PP, SS
PVC/PVC-DWV
3
3
CPVC, PP, SS
PVC/PVC-DWV
2
2
CPVC, PP, SS
PVC/PVC-DWV
3
3
CPVC, PP, SS
2
2
CPVC, PP, SS
PVC/PVC-DWV
3
3
CPVC, PP, SS
If piping contains more than 1 elbow in air or vent piping, other than termination fittings.
boiler manual
SWEEP
ELBOWS
ONLY
Vertical vent,
[Note 1]
Side Air [Note 1]
See page 27
See page 29
Materials
Size,
Fig. 21, page 17
inches
PVC/PVC-DWV
2
CPVC, PP, SS
PVC/PVC-DWV
3
CPVC, PP, SS
PVC/PVC-DWV
2
CPVC, PP, SS
PVC/PVC-DWV
3
CPVC, PP, SS
2
--------
PVC/PVC-DWV
3
CPVC, PP, SS
Part number 550-142-950/0122
USE
Materials
Fig. 21, page 17
PVC/PVC-DWV
CPVC, PP, SS
PVC/PVC-DWV
CPVC, PP, SS
PVC/PVC-DWV
CPVC, PP, SS
PVC/PVC-DWV
CPVC, PP, SS
CPVC, PP, SS
PVC/PVC-DWV
CPVC, PP, SS

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