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95.0% DOWNFLOW - 1 PIPE OPTIONS
COMBUSTION
AIR
Option
29
Grommet
See VIEW S for drain line positions
VIEW -S-
Inline Drain
(Factory Supplied)
See NOTE 4
NOTES:
1. See Accessories section
(page
2. Drain lines must be trapped with a J-Trap or field supplied loop. Traps may be positioned inside or outside the cabinet. All drain lines must be routed externally
from the cabinet.
3. Inline drain is required only if "X" is greater than 6 feet.
4. Tubing needs to be cut to length and attached during unit installation.
5. Horizontal piping from inducer to flue pipe must be sloped 1/4" per foot to ensure drainage to PVC trap.
95.0% DOWNFLOW - 2 PIPE OPTIONS
Flange
Plug
Option
32
NOTE 5
Grommet
See VIEW S for drain line positions
Figure 42. Venting Options for Downflow Installations (*SM Series)
52
Rubber
Grommet
X
See
NOTE 5
PVC Tee
PVC Trap
Rubber
See VIEW T for drain line positions
Inline Drain
(Factory Supplied)
See NOTE 4
Drain Line Attached
to PVC Trap
(Field Supplied)
20) for optional PVC Tee configurations and drainage options.
Rubber
Grommet
X
See
PVC Tee
PVC Trap
Rubber
See VIEW T for drain line positions
COMBUSTION
AIR
Option
30
PVC Tee
PVC Trap
VIEW -T-
Drain Line Attached
to PVC Trap
(Field Supplied)
Flange
Option
33
PVC Tee
PVC Trap
COMBUSTION
AIR
Option
X
31
See
NOTE 5
Rubber
Grommet
See VIEW U for drain line positions
VIEW -U-
Inline Drain
(Field Supplied)
See NOTES 2 & 3
Plug
Option
X
34
See
NOTE 5
Rubber
Grommet
See VIEW U for drain line positions
Flange
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