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Lennox Part
No.
60G77
33K97
15F75
22G44
15F74
44J41
44J40
30G28
30G79
LB-49107CE
LB-87942
LB-49107CC
LB-49107CD
LB_9107CB
LB-65678A
LB-65701A
WTK
WTKX
TABLE 3
TERMINATION KITS
Kit LB# Description*Inches (ram)
1-1/2" (38) Concentric
Termination Kit
3" (50,8) Low Pressure Drop
Concentric Term Kit
2" (50,8) Roof
Termination Kit
2" (50.8) Well
Assembly Termination Kit
2" (50.8) Walt Ring Kit
3" (76,2) Roof
Termination Kit
3" (76.2) Wall
Assembly TerminationKit
2" (50.8) Wall
TerminationExtendedVent
2" (50.6) Wall
TerminationExtensionRiser
When making ABS joints, pieces can be prepared with a
cleaner. When joining ABS to PVC matedals, use PVC
solvent cement. Refer to this procedure as specified in
ASTM D3138.
Canada Only - In some provinces, PVC primer must be
purple in color, PVC solvent cement must be grey, ABS
solvent cement must be yellow and PVC solventcement
used when joining ABS to PVC must be white.
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Pipe used for exhaust and intake lines should be sized ac-
cording to table 4. Note that maximum lengthof vent pipe
is for one run; either intake or exhaust. Maximum vent
length given is not the total length of intake plus exhaust
vents.
Each 90° elbow is equivalent to 5 feet (1.52 m) of vent
pipe. Two 45° elbows are equivalent to one 90° elbow.
One 45° elbow is equal to 2.5 feet (.76 m) of vent pipe.
If intake and exhaust piping runs are not equal in length
and number of elbows, the larger diameter pipe must be
used for both runs.
NOTE - When a WTKX terminaUon kit (30G79) is
installed as part of the intake and exhaust piping, add
twelve feet to the equivalent length (the two 2 inch diame-
ter 90° elbows end the 27 inch pipe in the kit).
For 75 kBtuh units, connections are provided for 2 inch
diameter venting which should satisfy most venting re-
quirements. No transition pieces are provided or needed
for 2 inch venting.
TABLE 4
VENT PIPE SIZING TABLE FOR G32Q FURNACES
MINIMUM DIAMETER OF INTAKE/EXHAUST PIPE
Vent Pipe
Equivalent Length
Max. Feet (Meters)
15 (4.57 m)
20 (6,10 m)
25 (7.62 m)
30 (9.14 m)
40 (12.19 m)
50 (I 5.24 m)
55 (16.76 m)
60 (18,29 m)
70 (21,34 rn)
80 (24.38 m)
90 (27.43 m)
100 (30.48 m)
110 (33,53 m)
120 (36.58 m)
130 (39.62 m)
G32-76 G32-100 G32-125
75,000 100,000 125.000
BTU BTU BTU
2" 2" 2'
2" 2" 3"
2" 2" 3"
2" 3" 3_
2" 3" 3"
2" 3" 3"
2" 3" 3"
3" 3" 3"
3" 3" 3"
3" 3" 3"
3" 3" 3"
3" 3" 3"
3" 3" 3"
3" 3" 3"
3" 3" --
NOTE - Min. pipeforG32-75 is5feet and 2elbowsof2inchdmmeterp_pe.
NOTE - Min. pipe for G32-100 is 5feet end 2 elbowsof 2 inch diameter
pipe,
NOTE - Min. pipe for G32-125 is 5 feetand 2 e/bowsof2 inchdiameter
pipe.
For -100 and -125 kBtuhunits,the intakeconnectionis
sized for 3 inch diameter pipe. The exhaustconnection
has a 2 inchnipple,A pipe transitionpieceisshippedwith
the unitto connectto 3 inchpipe. See figure7 for2 inch
and 3 inch ventingapplications.
Most venting applicationswill require 3 inch ventingfor
proper unitoperation.For no reason should the intake
and exhaust pipe be different diameter pipes. Re-
gardlessof the diameterof pipe used, the standardroof
and wail terminationsdescribed in Intake and Exhaust
Piping Terminations sectionshouldbe used.Exhaustpip-
ingmust terminatewith 1-1/2 inchpipefor 1-1/2 inchor 2
inchventingand 2 inch pipe for 3 inch venting.
G32-100 OR -125 WITH 2 IN. VENTING
2 IN. VEN_] 3RIIENI_XC2EIN,
2IN. I 3IN.
OUT N
G32-100 OR -125 WITH 3 IN. VENTING
L_I
NIPPLE ,..,
OUT IN
FIGURE 7
3 IN. VENT PiPE
I
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