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Dimensions
Duct Connection Sizing without Electric Heaters
A B C D
13⅛” 40” 24” 48”
Minimum Supply and Return Duct Dimensions
• 15, 20, & 30 kW Heater Kits
• Supply opening is 13⅞” x 40⅛”
3
-7/8
40
-1/8
3⅞”
40⅛”
14
11"
3-1/8"
24"
13-1/4" 10-3/8" 13-1/8"
40-1/4"
38-1/4"
48-1/8"
7"
60-1/2"
13-7/8"
19-1/8"
BLOWER END
ELECTRIC HEAT
POWER INLET
OPENING
1-1/8" SWEAT (2)
ACCESS
CONTROL
BLOWER &
3/8" LIQUID LINE (2)
COIL ACCESS
DRAIN