Unit Dimensions - Lennox G21Q Series Installation Instructions Manual

*4 81,7 ',0(16,216,1&+(6 00
AIR FLOW
F
RETURN AIR
Model No. A
*4

*4

*4
*4 
*4 

*4

*4 
*4 
COMBUSTION
AIR
INTAKE
B
ELECTRICAL
(both sides)
A
G
B C D
   
  
   
  
  
  
  
  
H
J
Left
L
Right
M
2-3/4
(70)
GAS PIPING
INLETS
(both sides)
INLETS
2
(51)
K
D
1-1/2 (38)
E F
  
  
  
   
  
  
  
   
3DJH 
1-1/16
(27)
17-3/4
(451)
SUPPLY
AIR
C
OPENING
26-1/8
664
EXHAUST AIR
OUTLETS
(both sides)
E
RETURN AIR
(Either side
or bottom)
23-1/2 (597)
RETURN AIR
G H J
 
 
 
 
 
 
 
 
1-1/16
(27)
15/16
(24)
15/16
(24)
K L M