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73
RT-PRC002-EN
Dimensional
Data
(15-25 Ton) High Efficiency
(20, 25 Ton)
Standard Efficiency
Downflow Duct Connections — Field Fabricated
All dimensions are in inches.
RETURN
SUPPLY
1 1\2"
PERIMETER
CURB FLANGE
73 7/16"
19 5/16"
26 5/16"
66 1/2"
1"
14 1/16"
7 7/16"
1"
Note: Duct flanges mount 7-7/16" down
inside the curb on the 1½" curb flanges.
Roofcurb is intended for downflow use
only.
Horizontal Unit Supply/Return and Unit Clearance