Lennox ML196UHE Installation Instructions Manual page 37

Upflow Application
Left Side Piping
(Standard)
MANUAL
MAIN SHUT-OFF
VALVE
GROUND
JOINT
UNION
DRIP LEG
MANUAL
MAIN SHUT-OFF
VALVE
GROUND
JOINT
UNION
DRIP LEG
Horizontal Application
Right-Side Air Discharge
1/2" NPT
NOTE - BLACK IRON PIPE ONLY TO BE ROUTED INSIDE OF CABINET
Figure 56
Horizontal Applications
Possible Gas Piping Configurations
NOTE - BLACK IRON PIPE ONLY TO BE ROUTED INSIDE OF CABINET
Figure 57
FIELD
PROVIDED
AND INSTALLED
MANUAL
MAIN SHUT-OFF
VALVE
GROUND
JOINT
UNION
DRIP LEG
FIELD
PROVIDED
AND INSTALLED
Page 37
Upflow Application
Right Side Piping
(Alternate)
1/2" NPT
MANUAL
MAIN SHUT-OFF
GROUND
JOINT
UNION
DRIP LEG
Horizontal Application
Left-Side Air Discharge
MAIN SHUT-OFF
GROUND
VALVE
MANUAL
VALVE
JOINT
UNION
DRIP LEG