Installation Guide

52
Figure42.DownowVentingOptions(*SMSeries)
Option
29
VIEW -S-
VIEW -U-
Plug
Plug
Plug
Option
32
VIEW -T-
Option
30
Plug
Plug
Option
33
Plug
Plug
95.0% DOWNFLOW - 1 PIPE OPTIONS
PVC TEE,
Reducer, &
1/2” x 1/2”
Hose Barb
PVC TEE,
Reducer, &
1/2” x 1/2”
Hose Barb
COMBUSTION
AIR
FLUE PIPE
FLUE PIPE
COMBUSTION
AIR
Rubber
Grommet
See VIEW S for drain line positions See VIEW T for drain line positions
See VIEW U for drain line positions
See VIEW U f
or drain line positions
FLUE PIPE
Rubber
Grommet
COMBUSTION AIR
Plug
Flange
Flange
See VIEW T for drain line positions
FLUE PIPE
Plug
Flange
COMBUSTION AIR
See VIEW S for drain line positions
PVC TEE,
Reducer, &
1/2” x 1/2”
Hose Barb
Rubber
Grommet
PVC TEE,
Reducer, &
1/2” x 1/2”
Hose Barb
Rubber
Grommet
Rubber
Grommet
Inline Drain
Drain line
attached to
1/2” x 1/2”
hose barb
Drain line attached to
1/2” x 1/2” hose barb
95.0% DOWNFLOW - 2 PIPE OPTIONS
Plug
COMBUSTION
AIR
FLUE PIPE
Option
31
FLUE PIPE
Option
34
COMBUSTION AIR
Inline Drain
Inline Drain
See NOTE 6
NOTES:
1.) All drain lines must be trapped with J-Trap or field supplied loop.
2.) Inline drain tubing may need to be cut to length to resemble illustration.
3.) See Accessories section (page 21-22) for optional PVC Tee configurations and drainage options.
4.) Header box drain tubing is routed thru the side of the cabinet.
5.) Inline drain tubing is routed thru the side of the cabinet.
6.) This drain not needed if “X” is less than 6”.
See NOTE 4
See NOTE 4
See
NOTE 5
See
NOTE 4
X
X