Lennox 80G2UH-V Installation Instructions Manual page 23

Left Side Piping
(Standard)
MANUAL
MAIN SHUT-OFF
VALVE
GROUND
JOINT
UNION
MANUAL
MAIN SHUT-OFF
VALVE
GROUND
JOINT
UNION
DRIP LEG
507335-03
AUTOMATIC
GAS VALVE
(with manual
shut-off valve)
DRIP LEG
NOTE: BLACK IRON PIPE ONLY TO BE ROUTED INSIDE OF CABINET
Figure 26. Upflow Applications
Possible Gas Piping Configurations
Horizontal Application
Right-Side Air Discharge
AND INSTALLED
NOTE: BLACK IRON PIPE ONLY TO BE ROUTED INSIDE OF CABINET
Figure 27. Horizontal Applications
Possible Gas Piping Configurations
AUTOMATIC
GAS VALVE
(with manual
shut-off valve)
FIELD
PROVIDED
AND INSTALLED
MANUAL
MAIN SHUT-OFF
VALVE
GROUND
JOINT
UNION
DRIP LEG
FIELD
PROVIDED
Issue 2302
Right Side Piping
(Alternate)
MANUAL
MAIN SHUT-OFF
VALVE
GROUND
JOINT
UNION
DRIP LEG
Horizontal Application
Left-Side Air Discharge
MAIN SHUT-OFF
GROUND
JOINT
UNION
DRIP LEG
MANUAL
VALVE
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