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DRAIN AND OVERFLOW CONNECTION LOCATIONS
Model
Connection Locations - in inches
Outdoor Air Side Exhaust Side
A B C D A B C D
HRE-20 4.00 2.875 40.75 42.25 4.00 2.875 52.25 53.75
HRE-45 6.25 5.125 42.625 44.125 6.25 5.125 56.50 58.00
HRE-55 6.375 5.125 53.00 54.50 6.375 5.125 66.375 67.875
HRE-90 6.375 5.125 47.25 48.50 6.375 5.125 71.00 72.25
D
C
A
B
3/4 INCH INDIRECT EVAP DRAIN AND
OVERFLOW CONNECTIONS
EXHAUST AIR
DISCHARGE
COMPARTMENT
EXHAUST AIR
INTAKE
COMPARTMENT
Exhaust
C
D
B
A
OUTDOOR AIR
DISCHARGE
COMPARTMENT
OUTDOOR
AIR
INTAKE
COMPARTMENT
3/4 INCH DIRECT EVAP DRAIN AND
OVERFLOW CONNECTIONS
Outdoor Air