Specifications

JOHNSON CONTROLS
3-20
FORM 102.20-N1 (1109)
Startup
FIG. 3-22 – GAS FURNACE FUEL VENTING SYSTEM
LD13304
RACEWAY
SIDE PANEL
FURNACE
OUTPUT
15 21.83 20 21.83 25 21.83 40 23.66 50 23.65 75 28.15
100 125 150 175 200 250 300 350 400
28.14 35.12 35.12 35.12 35.12 41.36 41.36 47.36 47.36
FLOOR PANEL
ROOF PANEL
H=UNIT HEIGHT W=UNIT WIDTH
ROOF PEAK
PIPE CHASE
ID
FAN
TRANSITION PIECE
6"L SLIP JOINT
42"L VSI PIPE (NOT INSULATED)
STORM COLLAR
SUPPORT ASSEMBLY
FLUE CAP
44.40 TYP.
(36.00 MIN)
1.60
5.50
12"
EXT.
7.75
0.43" CLEARANCE
CURB PIECE
END OF FLUE PIPE
NOTES: 1. SEE SECTION 026-004 TO DETERMINE LENGTH OF IVSI PIPES.
IVSI PIPE (INSULATED PIPE) SEE NOTE 1
CONTAINMENT BAND SET & GASKET, 1" THK X 3"W X LG,
INSULATION FIBER
A
A
H
W
IVSI PIPE (INSULATED PIPE) SEE NOTE 1
GAS FURNACE WITH CASING
HAT CHANNEL
CONTAINMENT BAND SET & GASKET, 1" THK X 3"W X LG, INSULATION FIBER REQ. WHEN IVSI IS IN 2 PIECES.