Lennox SL280UHNV Series

Page 36
Gas Valve
Air Intake Assembly
*Air Fuel Plenum
Gasket
(replace)
Debri Screen
Air Fuel Plenum
Burner
Heat Exchanger
* Re-install screws per the numbered sequence shown
Gasket
Gasket
Heat Exchanger and Burner Assembly Removal
FIGURE 20
Remove 5 screws if necessary
(cabinet for reference only)
1
2
3
4
5
FIGURE 21