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VENT
Capacity
PIPE DIA.
(in.)
2
045
2-1/2
3
2
070
2-1/2
3
2
090
2-1/2
3
2
110
2-1/2
3
* Requires field-provided and installed 1-1/2" exhaust accelerator.
** Kit 51W11 is provided with a 1-1/2" accelerator which must be for all 2 and 2-1/2" PVC installations.
+ Termination kits 44W92 and 44W93 are approved for use in Canadian installations to meet CSAB149.
++ The 44W92 Concentric kit is provided with a 1-1/2" accelerator, which must be installed on the exhaust outlet when this kit is used
with this furnace.
Low temperature solvent cement is recommended during
cooler weather. Metal or plastic strapping may be used as
vent pipe hangers. Uniformly apply a liberal coat of PVC
primer for PVC or use a clean dry cloth for ABS to clean
inside socket surface of fitting and male end of pipe to
depth of fitting socket.
Canadian Applications Only
Pipe, fittings, primer and solvent cement used to vent
(exhaust) this appliance must be certified to ULC S636 and
supplied by a single manufacturer as part of an approved
vent (exhaust) system. When bonding the vent system to
the furnace, use ULC S636 approved One-Step Transition
Cement to bond the pipe to the flue collar. In addition, the
first three feet of vent pipe from the furnace flue collar must
be accessible for inspection.
Table 5 Lists the available exhaust termination kits. All vent
terminations are PVC.
Page 14 of 51
STANDARD
Outdoor
Outdoor Exhaust
Exhaust
Accelerator
Accelerator
(Dia. X Length)
(Dia. X Length)
1-1/2" X 12"
2" X 12"
YES
YES
YES
YES
YES
YES
Table 5. Outdoor Termination Kits Usage
Flush
Mount Kit
51W11 **
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
Joint Cementing Procedure
All cementing of joints should be done according to the
specifications outlined in ASTM D 2855.
NOTE: A sheet metal screw may be used to secure the
intake pipe to the connector, if desired. Use a drill or self
tapping screw to make a pilot hole.
Fumes from PVC glue may ignite during system check.
Allow fumes to dissipate for at least 5 minutes before
placing unit into operation.
1.
Measure and cut vent pipe to desired length.
2.
Debur and chamfer end of pipe, removing any ridges
or rough edges. If end is not chamfered, edge of pipe
may remove cement from fitting socket and result in a
leaking joint.
3.
Clean and dry surfaces to be joined.
Issue 1917
CONCENTRIC
1-1/2"
2"
Concentric
Concentric
Kit
Kit
71M80
69M29
or
or
+44W92++
+44W92++
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
DANGER
DANGER OF EXPLOSION!
3"
Concentric
Kit
60L46
or 44W93+
YES
YES
YES
YES
YES
YES
507271-02
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