Filter
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All installations and services must be performed by qualified service personnel.
10
w
H
OPEN END INTO WHICH
FILTER SLIDES
SECURING
FLANGE
(FURNACE SIDE)
15" 24-1/2"
FLANGE DIMENSIONS
(DUCT SIDE)
HW
19" 24"MHA1-125
MHA1-50,75,100
Figure 3: Optional Thermo Pride Filter Rack
I. Use of Non-Thermo Pride Filter Retention Means
:
Failure to comply with minimum filter installation requirements may
affect the performance and/or void the warranty on this furnace.
If a method other than a Thermo Pride filter rack is selected for retention of the
filter and/or use of a different filter type is desired, see Table 2 for minimum size
guidelines for selecting a filter system for the MHA1/MDA1 furnaces.