Lennox A97UH2E Installation Instructions Manual page 39

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
Gas Valve
508390-01
Gas Valve
PROVIDED
AND INSTALLED
NOTE - BLACK IRON PIPE ONLY TO BE ROUTED INSIDE OF CABINET
Figure 61. Gas Piping
Upflow Configuration
Horizontal Applications
Possible Gas Piping Configurations
FIELD
PROVIDED
AND INSTALLED
NOTE - BLACK IRON PIPE ONLY TO BE ROUTED INSIDE OF CABINET
Figure 62. Gas Piping
Horizontal Configuration
Issue 2327
Upflow Application
FIELD
MANUAL
MAIN SHUT-OFF
VALVE
GROUND
JOINT
UNION
DRIP LEG
Right Side Piping
(Alternate)
MAIN SHUT-OFF
GROUND
JOINT
UNION
DRIP LEG
Gas Valve
Horizontal Application
Left-Side Air Discharge
Gas Valve
MAIN SHUT-OFF
GROUND
JOINT
UNION
DRIP LEG
MANUAL
VALVE
MANUAL
VALVE
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