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ROOF CURB
ACCESSORY
“A”
UNIT SIZE
48/50HJ
CRRFCURB001A00 1′-2″ [356]
004-007
CRRFCURB002A00 2′-0″ [610]
NOTES:
1. Roof curb accessory is shipped
disassembled.
2. Insulated panels.
3. Dimensions in [ ] are in millimeters.
4. Roof curb: galvanized steel.
5. Attach ductwork to curb (flanges of duct
rest on curb).
UNIT SIZE B C
D ALT
DRAIN HOLE
“E”
GAS
“F”
POWER
“G”
CONTROL
CONNECTOR
PKG. ACCY.
48HJD004-007
50HJF004-007
1′-9
11
/
16
″
[551]
1′-4″
[406]
1
3
/
4
″
[44.5]
3
/
4
″
[19] NPT
3
/
4
″ [19] NPT
1
/
2
″
[12.7] NPT
CRBTMPWR001A00
1
1
/
4
″ [31.7] CRBTMPWR002A00
1
/
2
″
[12.7] NPT
3
/
4
″ [19] NPT
1
/
2
″
[12.7] NPT
CRBTMPWR003A00
3
/
4
″
[19] NPT
1
1
/
4
″ [31.7] CRBTMPWR004A00
6. Service clearance 4 ft on each side.
7. Direction of airflow.
8. Connector packages CRBTMPWR001A00
and 002A00 are for thru-the-curb connec-
tions. Packages CRBTMP003A00 and
004A00 are for thru-the-bottom connections.
Fig. 1 — Roof Curb Details