Repair Parts - Lennox Merit Series Installation Instructions Manual

Figure 24
COMBUSTION AIR
BLOWER
FRONT LOUVERED
TRANSFORMER
DOOR INTERLOCK SWITCH
The following repair parts are available through independent Lennox dealers. When ordering parts, include the complete
furnace model number listed on the CSA International nameplate - Example: ML18007036A-E. All service must be
performed by a licensed professional installer (or equivalent), service agency, or gas supplier.
Cabinet Parts
˜ Upper access panel
˜ Blower panel
˜ Top cap
Control Panel Parts
˜ Transformer
˜ Integrated control
˜ Door interlock switch
˜ Circuit breaker
EXTERNAL CABINET PARTS EXTERNAL CABINET PARTS
FLUE BOX
FLUE BAFFLES
(75 only)
PANEL
PRESSURE
SWITCH
BURNER ASSEMBLY
CONTROL BOARD
REPAIR PARTS LIST
Blower Parts
˜ Blower wheel
˜ Blower housing
˜ Motor
˜ Motor mounting frame
˜ Motor capacitor
˜ Blower housing cut-off plate
HEAT EXCHANGER
ASSEMBLY
BLOWER ACCESS
PANEL
COIL DECK
BLOWER ASSEMBLY
Heating Parts
˜ Flame sensor
˜ Heat exchanger assembly
˜ Gas manifold
˜ Combustion air inducer
˜ Gas valve
˜ Main burner cluster
˜ Main burner orifices
˜ Pressure switch
˜ Ignitor
˜ Primary limit control
˜ Flame roll-out switch(s)
˜ Secondary limit
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