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PVC Components
IMPORTANT NOTES:
• Before permanently installing these components,
it is recommended you dry-fit them first to ensure
proper fit and alignment with other vent pipes.
• The 2" PVC components shown in
provided in the extra parts bag. However the PVC
Trap (P/N 664659) can be purchased thru your local
distributor.
The 2" PVC tee, reducer, PVC Trap and 1/2" X 1/2" hose
barb are used when the inducer is rotated to vent out thru
the left or right side of the furnace cabinet. See
21. NOTE: If supplied with your furnace, the NORDYNE
PVC trap (664659) may be used in place of the reducer
and 1/2" X 1/2" hose barb
The 1/2" X 3/4" hose barb can be used to route the
condensate drain to the outside of the cabinet. It must
be installed from inside the cabinet with the threaded
end inserted thru the 1 1/16" hole. The condensate drain
should be connected to the barbed end. Attach 1" PVC
drain line to the threaded end. See
or
Figure 32 (page 34)
for hole location.
1/2" x 3/4"
Hose Barb
Installation of PVC Components (Typical Orientation)
1/2" x 3/4"
Hose Barb
Installation of PVC Components (Alternate Orientation)
Figure 21. PVC Components
Figure 21
are not
Figure
Figure 31 (page 33)
2" PVC Pipe from
Inline Drain Assembly
(Not Included)
2" PVC Tee
2" x 1/2" PVC
Reducer
1/2" x 1/2"
1/2" Tubing
Hose Barb
(Field Supplied)
PVC Trap
1/2" Tubing Formed
into a Loop (Field Supplied)
2" PVC Pipe from
Inline Drain Assembly
(Not Included)
2" PVC TEE
2" PVC ELBOW
(Field Supplied)
2" x 1/2" PVC
Reducer
1/2" x 1/2"
1/2" Tubing
Hose Barb
(Field Supplied)
PVC Trap
1/2" Tubing Formed
into a Loop (Field Supplied)
Typical Orientation
1. Install the PVC Tee vertically on the 2" vent pipe that is
extending out the side of the cabinet. Permanently bond
them together using appropriate primer and cement.
Refer to the typical orientation shown in
2. Install the reducer or PVC trap (if supplied) on the bottom
end of the PVC Tee. Permanently bond them together
using appropriate primer and cement.
3. Install the 1/2" x 1/2" hose barb on the 2" PVC reducer.
NOTE: Do not over tighten! Use an adequate amount of
Teflon tape on the threads. Do not use liquid sealants.
4. Verify all connections and joints for tight fit and proper
alignment with other vent pipes.
Alternate Orientation
1. Install the 2" PVC Tee horizontally on the 2" vent pipe that
is extending out the side of the cabinet. Permanently bond
them together using appropriate primer and cement.
Refer to the alternate orientation shown in
2. Install the 2" PVC Elbow on the end of the 2" PVC Tee.
Permanently bond them together using appropriate
primer and cement.
3. Install the reducer or PVC trap (if supplied) on the bottom
end of the PVC Tee. Permanently bond them together
using appropriate primer and cement.
4. Install the 1/2" x 1/2" hose barb on the 2" PVC reducer.
NOTE: Do not over tighten! Use an adequate amount of
Teflon tape on the threads. Do not use liquid sealants.
5. Verify all connections and joints for tight fit and proper
alignment with other vent pipes.
Optional PVC Pipe Installation
When running the 2" PVC pipe out through the top of the
*SD upflow furnace, there may be possible clearance
issues when transitioning the PVC pipe from 2" to 3":
• If the size of the PVC flue needs to be increased from
2" to 3", two, 2" x 45° PVC elbows may be used to
achieve the clearances needed between the coil box
and the 2" x 3" coupling. See
• Install the 2" x 3" coupling in the vertical run only. If the
coupling is installed horizontally, it will allow water to build
up inside the furnace and cause a lock out condition.
• To avoid the clearance issue, it is recommended that
the furnace be vented through the left side or the right
side of the cabinet.
Condensate Drain Lines
If the furnace is installed in an area where temperatures
fall below freezing, special precautions must be made
for insulating condensate drain lines that drain to the
outdoors. If condensate freezes in the lines, this will
cause improper operation or damage to the furnace. It
is recommended that all drain lines on the outside of
the residence be wrapped with an industry approved
insulation or material allowed by local code.
The placement of the condensate drain lines will depend
on the configuration selected in
Figure
21.
Figure
21.
Figure 22 (page
22).
Table 4 (page
18).
21
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