506724-01 Page 15 of 57Issue 1108
Joint Cementing Procedure
All cementing of joints should be done according to the
specifications outlined in ASTM D 2855.
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.
4. Test fit joint and mark depth of fitting on outside of pipe.
5. 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.
NOTE: Time is critical at this stage. Do not allow primer to
dry before applying cement.
DANGER OF EXPLOSION!
Fumes from PVC glue may ignite during system check.
Allow fumes to dissipate for at least 5 minutes before
placing unit into operation.
DANGER
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.
TABLE 3
OUTDOOR TERMINATION KITS USAGE
A95UH
A93UH
95G1UH
92G1UH
VENT
PIPE
DIA.
(in.)
STANDARD CONCENTRIC
Outdoor
Exhaust
Accelerator
(Dia. X
Length)
Outdoor
Exhaust
Accelerator
(Dia. X
Length)
Flush-
Mount
Kit
1−1/2"
Concentric
Kit
2"
Concentric
Kit
3"
Concentric
Kit
1−1/2" X 12" 2" X 12" 51W11**
71M80
or
44W92
69M29
or
44W92
60L46
or
045
2 YES YES YES
2−1/2 YES YES YES
3 YES YES YES
070
2 YES YES YES
2−1/2 YES YES YES
3 YES YES YES
090
2 YES YES YES YES
2−1/2 YES YES YES YES
3 YES YES YES YES
110
2 YES YES YES YES
2−1/2 YES YES YES YES
3 YES YES YES YES
135 3 YES YES YES
*Requires eld−provided and installed 1−1/2" exhaust accelerator.
** Kit 51W11 is provided with a 1−1/2" accelerator which must be used for all 45,000 and 70,000 furnace installations.
†† 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 the 45,000 and 70,000 furnaces.
44W93
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