Thermo Products MDA1-75N, MDA1-50N, MHA1-75N I. Use of Non-ThermoPride Filter Retention Means

All installations and services must be performed by qualified service personnel.

w	FLANGE DIMENSIONS
	(DUCT SIDE)
	H	W
MHA1-50,75,100	15"	24-1/2"
MHA1-125	19"	24"

SECURING FLANGE (FURNACE SIDE)

H

OPEN END INTO WHICH

FILTER SLIDES

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.

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