Lennox EL280UH Installation Instructions Manual page 24

Left Side Piping
(Standard)
MANUAL
MAIN SHUT−OFF
VALVE
(With 1/8 in. NPT
Plugged Tap Shown)
GROUND
JOINT
UNION
DRIP LEG
MANUAL
MAIN SHUT−OFF
VALVE
GROUND
JOINT
UNION
DRIP LEG
Horizontal Application
Right−Side Air Discharge
AUTOMATIC
GAS VALVE
FIELD
PROVIDED
AND INSTALLED
NOTE − BLACK IRON PIPE ONLY TO BE ROUTED INSIDE OF CABINET
FIGURE 26
Horizontal Applications
Possible Gas Piping Configurations
FIELD
PROVIDED
AND INSTALLED
NOTE − BLACK IRON PIPE ONLY TO BE ROUTED INSIDE OF CABINET
FIGURE 27
Page 24
AUTOMATIC
GAS VALVE
MANUAL
MAIN SHUT−OFF
VALVE
Left−Side Air Discharge
GROUND
JOINT
UNION
DRIP LEG
MANUAL
MAIN SHUT−OFF
VALVE
(With 1/8 in. NPT
Plugged Tap
Shown)
GROUND
JOINT
UNION
DRIP LEG
Right Side Piping
(Alternate)
Horizontal Application
MANUAL
MAIN SHUT−OFF
VALVE
GROUND
JOINT
UNION
DRIP LEG