Weil-McLain Evergreen 220 Instructions Manual page 4

220/299/300/399
®
Venting & air — general
Figure 2
Vent and air piping materials — Use only the materials listed below, ensuring that all materials meet local
see Figure 111, page 117 in the boiler manual for part/kit numbers)
codes (
Item
Plastic piping materials
Vent or air pipe
&
fittings
PVC & ABS pipe
cement & primer
Simpson-Duravent — Obtain all materials from M&G
Simpson-Duravent
Polypropylene
Centrotherm Eco Systems InnoFlue
vent pipe, fittings,
— Obtain all materials from Centrotherm
terminations and
cement
(Note: See page 117 in the boiler manual for correct
appliance adapters to be used.)
Vent pipe
AL29-4C
stainless
steel
Weil-McLain stainless steel bird screens, 3" or 4" (Included in kit) - see Figure 111, page 117 in boiler manual for part numbers
Note 1: System 636 PVC concentric terminations uti-
lize PVC pipe/fittings certified to ULC S636.
If ULC S636 compliance is required, use only System
636 pipe, fittings and cement.
DO NOT mix piping from different pipe manufacturers
unless using adapters specifically designed for the
purpose by the manufacturer.
Every joint on
include a locking collar.
DO NOT use cellular core PVC (ASTM F891), cellular
core CPVC, or Radel
systems.
DO NOT cover non-metallic vent pipe and fittings
with thermal insulation.
4
– Instructions Direct Exhaust Venting
Material
PVC schedule 40 (Note 1)
PVC-DWV schedule 40 (Note 1)
CPVC schedule 40 (Note 1)
PVC (Note 1)
CPVC (Note 1)
CPVC to PVC transition
®
AL29-4C stainless steel piping materials
Heat Fab, Inc. — Saf-T-Vent ®
Z-Flex, Inc. — Z-Vent
Dura-Vent — FasNSeal™
Metal-Fab, Inc. — CORR/GUARD
polypropylene vent piping must
® (polyphenolsulfone) in venting
USE SWEEP ELbOWS FOR ALL VEnTInG — DO NOT use short radius elbows for
vent. Boiler performance could be affected.
ALL vent and air pipes require a
This kit includes the bird screens. [No additional screening is required.]
(continued)
Standards for installations in:
United States
Vent or air piping
ANSI/ASTM D1785
ANSI/ASTM D2665
ANSI/ASTM F441
ANSI/ASTM D2564/F656
ANSI/ASTM F493
Use only cement and primer
suitable for piping material used
See manufacturer's literature for
Single-wall
detailed information
MUST USE LOCKING
COLLAR ON EVERY JOINT
Certified for Category IV and
direct exhaust appliance venting
ADAPTERS — AL29-4C piping — Install a PVC-to-stainless
adapter supplied by the AL29-4C stainless pipe manu-
facturer at the 4" PVC boiler vent connection and at the
termination (if using Weil-McLain plate termination).
ADAPTERS — Polypropylene piping — Provide adapters
from polypropylene pipe to the 4" PVC connections at
the boiler and at terminations, if required (Weil-McLain
sidewall plate, for example).
ADAPTERS — If using 3" piping, where approved for the
application, provide adapters for the 4" PVC boiler con-
nections and at the terminations, if required (Weil-McLain
sidewall plate, for example).
bIRD SCREEn at each termination
Canada
Vent piping Air piping
ULC S636
PVC, PVC-DWV,
N/A CPVC or
polypropylene
ULC S636
ULC S636
Use only cement
ULC S636
and primer
suitable for piping
material used
ULC S636
PVC, PVC-DWV,
ULC S636 CPVC or
polypropylene
Certified for Category IV and direct
exhaust appliance venting
.
Part number 550-100-156_0917