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Manual 2100-422M
Page 33 of 42
LO-BOY MODELS – FILTER LOCATIONS
Lo-boy models have the filter installed in the return air cabinet section of the furnace. It is accessible from the rear of
the furnace by removing the blower/filter access door. The electrical switch should be turned “off” prior to removing
the access door. Refer to Figure 18 below.
FIGURE 18
FILTER INSTALLATION – LO-BOY MODELS
BY PULLING OUT ON
SWELL LATCHES AND
TILTING OUTWARDS
REMOVE BLOWER DOOR
STEP 2:
STEP 3:
SLIDE FILTER OUT
TOWARDS BLOWER
DOOR
MIS-1835 A
STEP 1:
UNFASTEN SWELL
LATCHES BY PULLING
HANDLES OUTWARD
UNIT FILTER SIZE
FLF/FLR085 16 x 20 x 2
FLF/FLR110 20 x 20 x 2
FLR140 20 x 25 x 2