Unit Dimensions
Flue Condensate Trap Assembly
Furnished for external
field installation
on either side of unit.
(See installation instructions
for additional
information.)
A
B
AIR
3/4
C
(19)
FRONT VIEW
Unit
070-B12
090-C16
090-C20
110-C20
Page 2 of 73
(178)
9/16
(14)
FLOW
33
(838)
Supply
3/4
(19)
Air
A
in.
mm
17-1/2
446
21
533
COMBUSTION
AIR INTAKE
7
EXHAUST AIR
OUTLET
2-1/16 (52)
1-1/2 (38)
Front Panel
2 (51)
Either Side
GAS PIPING INLET
(Either Side)
9-1/8 (232) Right
6-9/16 (167) Left
B
in.
mm
16-3/8
416
19-7/8
505
Issue 2241
9/16
(14)
RETURN AIR
B
OPENING
9/16
2-1/4
(14)
(57)
5
(127)
TOP VIEW
27-3/4
(705)
19-7/16
(494)
ELECTRICAL INLET
(Either Side)
CONDENSATE
TRAP CONNECTION
(Either Side)
6-7/16 (163)
Either Side
19-1/4
(489)
SIDE VIEW
C
in.
mm
16
406
19-1/2
495
9/16
(14)
9 (229)
Either Side
Supply
3/4
(19)
Air
D
in.
mm
7-5/8
194
9-3/8
238
507029-05