Lennox Merit ML193UH

Page 37
GROUND
JOINT
UNION
AUTOMATIC
GAS VALVE
(with manual
shut−off valve)
FIELD
PROVIDED
AND INSTALLED
Left Side Piping
(Standard)
DRIP LEG
MANUAL
MAIN SHUT−OFF
VALV E
Right Side Piping
(Alternate)
NOTE − BLACK IRON PIPE ONLY TO BE ROUTED INSIDE OF CABINET
Bellows Grommet
PlugPlug
GROUND
JOINT
UNION
DRIP LEG
MANUAL
MAIN SHUT−OFF
VALV E
Gas Valve
Gas Valve
Bellows Grommet
FIGURE 63
Horizontal Applications
Possible Gas Piping Configurations
GROUND
JOINT
UNION
DRIP LEG
MANUAL
MAIN SHUT−OFF
VALV E
GROUND
JOINT
UNION
DRIP LEG
MANUAL
MAIN SHUT−OFF
VALV E
GROUND
JOINT
UNION
DRIP LEG
MANUAL
MAIN SHUT−OFF
VALV E
Horizontal Application
Left−Side Air Discharge
Horizontal Application
Right−Side Air Discharge
NOTE − BLACK IRON PIPE ONLY TO BE ROUTED INSIDE OF CABINET
FIELD
PROVIDED
AND INSTALLED
Bellows Grommet
Bellows Grommet
Bellows Grommet
Plug
Gas Valve
Gas Valve
FIGURE 64