30
88-A951X001-1D-EN
ATTACHING VENT PIPING
Important:
Products installed in Canada must use vent systems that
are certified to the Standard for Type BH Gas Venting
Systems (ULC S636) for Class II-A venting systems (up
to 65°C). Components of the vent system must not be
interchanged with other vent systems or unlisted pipe or
fittings. Plastic components, specified primers, and glues
must be from a single system manufacturer and not
intermixed with other system manufacturer's vent
system parts. In addition, the first three feet of the vent
pipe must be visible for inspection.
PIPE JOINTS: All joints must be fastened and sealed per manufacturer
instructions and local and national codes to prevent escape of
combustion products into the building.
MANUFACTURED MODULAR VENTING SYSTEMS
W
WA
AR
RN
NIIN
NG
G
C
CA
AR
RB
BO
ON
N M
MO
ON
NO
OX
XIID
DE
E P
PO
OIIS
SO
ON
NIIN
NG
G
H
HA
AZ
ZA
AR
RD
D!!
F
Fa
aiillu
urre
e tto
o ffo
ollllo
ow
w tth
hiiss W
Wa
arrn
niin
ng
g m
ma
ay
y rre
essu
ulltt iin
n p
prro
op
pe
errtty
y
d
da
am
ma
ag
ge
e,, sse
ev
ve
erre
e p
pe
errsso
on
na
all iin
njju
urry
y,, o
orr d
de
ea
atth
h..
S
Se
ee
e tth
he
e A
Ap
pp
prro
ov
ve
ed
d V
Ve
en
ntt P
Piip
pe
e M
Ma
atte
erriia
allss tta
ab
blle
e ffo
orr
m
ma
an
nu
uffa
accttu
urre
ed
d m
mo
od
du
ulla
arr v
ve
en
nttiin
ng
g ssy
ysstte
em
mss tth
ha
att a
arre
e
a
ap
pp
prro
ov
ve
ed
d ffo
orr u
usse
e w
wiitth
h tth
hiiss p
prro
od
du
ucctt.. F
Fo
ollllo
ow
w tth
he
e
m
ma
an
nu
uffa
accttu
urre
err’’ss iin
nsstta
alllla
attiio
on
n iin
nssttrru
uccttiio
on
nss w
wh
he
en
n
iin
nsstta
alllliin
ng
g tth
he
e v
ve
en
nttiin
ng
g ssy
ysstte
em
m..
W
WA
AR
RN
NIIN
NG
G
C
CA
AR
RB
BO
ON
N M
MO
ON
NO
OX
XIID
DE
E P
PO
OIIS
SO
ON
NIIN
NG
G
H
HA
AZ
ZA
AR
RD
D!!
F
Fa
aiillu
urre
e tto
o ffo
ollllo
ow
w tth
hiiss W
Wa
arrn
niin
ng
g m
ma
ay
y rre
essu
ulltt iin
n p
prro
op
pe
errtty
y
d
da
am
ma
ag
ge
e,, sse
ev
ve
erre
e p
pe
errsso
on
na
all iin
njju
urry
y,, o
orr d
de
ea
atth
h..
D
Do
o n
no
ott u
usse
e cce
em
me
en
ntt o
on
n p
po
olly
yp
prro
op
py
ylle
en
ne
e v
ve
en
nttiin
ng
g
ssy
ysstte
em
mss.. F
Fo
ollllo
ow
w tth
he
e m
ma
an
nu
uffa
accttu
urre
err’’ss iin
nsstta
alllla
attiio
on
n
iin
nssttrru
uccttiio
on
nss w
wh
he
en
n iin
nsstta
alllliin
ng
g tth
he
e v
ve
en
nttiin
ng
g ssy
ysstte
em
m..
For manufactured modular venting systems that are approved with
this product see PVC vent fitting material table. Do not drill into
polypropelene venting pipes
BONDING OF PVC
Note:
It is recommended that the first joints from the Furnace be
connected and sealed with high temperature RTV. This will
enable the pipes to be removed later without cutting.
Be sure to properly support these joints.
Commercially available solvent cement for PVC must be used to join
PVC pipe fittings. Follow instructions on container carefully.
Pipe and Fitting – ASTM D1785, D2466, D2661, & D2665
PVC Primer and Solvent Cement – ASTM D2564
Procedure for Cementing Joints – Ref ASTM D2855
1.
Cut pipe square, remove ragged edges and burrs. Chamfer end of
pipe, then clean fitting socket and pipe joint area of all dirt,
grease, moisture or chips.
2.
After checking pipe and socket for proper fit, wipe socket and pipe
with cleaner-primer. Apply a liberal coat of primer to inside
surface of socket and outside of pipe.
DO NOT ALLOW PRIMER TO DRY BEFORE APPLYING CEMENT.
3.
Apply a thin coat of cement evenly in the socket. Quickly apply a
heavy coat of cement to the pipe end and insert pipe into fitting
with a slight twisting movement until it bottoms out.
4.
Hold the pipe in the fitting for 30 seconds to prevent tapered
socket from pushing the pipe out of the fitting.
5.
Wipe all excess cement from the joint with a rag. Allow 15
minutes before handling. Cure time varies according to fit,
temperature and humidity.
Connection of the pipe and collar of the combustion air inlet should
just be a friction fit. It is recommended that the inlet air joint be sealed
with RTV type sealant to allow the joint to be separated for possible
future service. The inlet and vent pipes must be properly supported
throughout the entire length.
Note:
Follow venting instructions carefully when using PVC cement.
Important:
All joints must be water tight. Flue condensate is
somewhat acidic, and leaks can cause equipment
damage.
Seal
INLET AIR PIPE
with RTV sealant
F
Fu
urrn
na
acce
e G
Ge
en
ne
erra
all IIn
nsstta
alllla
attiio
on
n
