Lennox G40DF(X) SERIES - Manuals

Page 2 G40DF(X) Parts Identification FIGURE 1 DURALOK TM HEAT EXCHANGER ASSEMBLY LOWER ACCESS PANEL BURNERS BLOWER MOTOR GAS MANIFOLD CABINET CONTROL BOX GAS VALVE COMBUSTION AIR PROVING (PRESSURE) SWITCH COMBUSTION AIR INDUCER BLOWER ACCESS PANEL FLUE COLLAR TOP CAP SURELIGHT t CONTROL BOARD FLUE C...

Page 3 WARNING Do not use this furnace if any part has been under water. Immediately call a qualified service technician to inspect the furnace and to replace any part of the control system and any gas control which has been under water. IMPORTANT Any additions, changes, or conversions required in o...

Page 5 4 - White Rodgers 36E/36F Gas Valve - Switch gas valve lever to OFF . Honeywell VR8205 Gas Valve - Turn knob on gas valve clockwise to OFF . Do not force. 5 - Replace the lower access panel. Filters This unit is not equipped with a filter or rack. A field-proĆvided high-velocity filter is req...