Lennox G20R series User Manual

Page 2
G20R UNIT DIMENSIONS–INCHES (MM)
LINE VOLTAGE
(Both Sides)
AIR FLOW
RETURN
AIR
OPENING
FLUE OUTLET
(center side to side)
*19Ć5/8 (498)
**20Ć1/4 (541)
2Ć3/8
(60)
3Ć3/8
(86)
2Ć5/8
(67)
17Ć3/4
(451)
26Ć1/8
(664)
1Ć1/16
(27)
1Ć1/16
(27)
A
B
C
E
D
Supply Air
Opening
Supply Air
Opening
26Ć1/8
(664)
WHISPER HEAT
CONTROL VOLTAGE
(Left Side)
CONTROL VOLTAGE
(Right Side)
GAS PIPING INLET
(Both Sides)
53
(1346)
ă8 (203) Right Side
11 (279) Left Side
N O T E Ċ Supply air opening is equipped with a 5/8 in. (16 mm) flange on
sides and rear of furnace and may be bent 90 for plenum connecĆ
tion or to help in alignment with cooling coil.
ă*Dimensions before flanges are bent (as shipped).
**Dimensions after flanges are bent.
Dimension after flange (furnished) is field installed on unit.
MdlN
A B *C **C *D **D E
Model No.
inch mm inch mm inch mm inch mm inch mm inch mm inch mm
G20RQ2/3(X)EĆ50
G20RQ3(X)EĆ75
16Ć1/4 413 14Ć1/8 359 10Ć3/4 273 12 305 1Ć1/2 38 2Ć1/8 54 3Ć1/8 79
G20RQ4(X)EĆ75 21Ć1/4 540 19Ć1/8 486 15Ć3/4 400 17 432 1Ć1/2 38 2Ć1/8 54 3Ć1/8 79
G20RQ3/4(X)EĆ100 21Ć1/4 540 19Ć1/8 486 15Ć3/4 400 17 432 1Ć1/2 38 2Ć1/8 54 3Ć1/4 83
G20RQ5(X)EĆ100
G20RQ3(X(EĆ125
G20RQ4/5(X)EĆ125
26Ć1/4 667 24Ć1/8 613 18Ć3/4 475 20 508 2Ć1/2 64 3Ć1/8 79 3Ć5/16 84
G20RQ4/5EĆ150 31Ć1/4 794 29Ć1/8 740 22 559 24Ć1/4 616 2Ć7/8 73 3Ć1/2 89 3Ć1/2 89

Lennox G20R series Specifications

General

Brand	Lennox
Model	G20R series
Category	Furnace
Language	English