Lennox SL280UHNV - II-Placement and Installation; III-Start-Up

Page 30
HEATING COMPONENTS -01 to -04 Models
Air Gas Plenum
Burner
Gasket
Orifice Housing
Gas Valve
Air Orifice
Sensor
Ignitor
Gas Orifice
Thermal
Switch
(location)
Intake Air Screen
Intake Air
Elbow
FIGURE 13
Air Gas Plenum
Burner
Gasket
(replace)
A
ir Intake Assembly
Gas Valve
Heating Components
-05 and Later Models
FIGURE 14