Weil-McLain GV90+ Installation And Start-Up Manual page 33

GV90+ Series 2
OAS·FIRED WATER BOILER -
Boiler Manual
Venting & air - general
(cont.J
Figure
40 Vent • nd
•lr p iping
, .temolo - Use
only the materials listed
below,
ensuring thai all materials meet
local codes
SUndordo
for
lnaboii.Uona In:
I tom Matortol
Unhod
St.IM
Clnodo
Plastic piping materials
I'VC SChed .... 40
AHSVASTI.I
0 1785
Vent or air pipe I'VC·OWV (-1)
AHSVASTI.I
026115
a.
fitting& CP\IC
SChed .... 40 (Note I)
AHSVASTI.I
F441
Plastic vent
pipe
must be certified to
ABS1JWV Sdledule 40
(Note
1)
AHSVASTI.I
02681
ULC
$636
when required.
(Nott 2)
Air pipe can be aiY)' of those listed at
I'VC
AHSVASTI.I
025114 & F656
tett if acce(ltable for k)cal 00de1.
PVC & ASS
piptl
CI'VC (HOle 1)
AHSVASTI.I
F493
cement &. pftner
ABS (Nole t) AHSVASTI.I
022:35
AL29-4C
piping materials
Heat fab. Inc. - SaJ·T .Yenl"
Yen<
pipe
Z·Fiot Inc. - Z ·Venl ll
AL294C
Certified for category IV and direct V9nt
-
--
Dura·Vent - fasNSeal""
appfiance vtnting
· - I
- Fab,
Inc. -
CORRIGUAIIO
W..ii-McLain bird ocreeno (purchase
sepa~ately )
Weii-Mcl.ain
3" vent screen:
bird
e<:nMr\8
W·M
part number
383-500-1 05
Note 1:
DO NOT
use
DWV, CPVC
or
ABS when using concentric
\'Wt
termination. Use ONLY PVC schedule 40.
Note2: IPE:X
PVC
concentric terminations ut:il.iu
PVC
pipe/fittings
certified
to
un.c
56'36. Where ULCS636 compliance is required. use
only
IPEX
System
636
pipe, fittings and cement.
IAWARMIMGI
AL29-4C
vent piping- Install a PVC·to-stainless adapter supplied
by
the: vent pipe manufacturer at the boiler vent connection
and. at the termination
(when
U.<li'J Weii-Mdain plate or concentric PVC termination). 00 NOT mix piping from different vent
pipe manufacturers unless using apters specifically designed for the pwpose by the manufacturer.
IA WAIIMINGI
Plastic piping-
Do
not attempt to connect different
rypes
of plastic pipi:og together.
IA WAIININGI
DO NOT use cellular core pipe.
•
IA WAI!MIMGI ALL
vent and air pipes require a
BIRD SCREEN
Ill NOh lermln.Uon. MoSt kirs do not
include the bird screens. Purchase bird SO'tt-ns separareJy f'rom Wtii·Mclain
or
vent kit
supplier if nor included. (Note- bird screening i.s in regnal ro the WeiJ-Mclain sidewall vent
cap, supplied standard
with
aU GV90+ b.:.ilers. No additional screening is required.)
Part
number 550-14-2-783/1012
33