11
Model RCC-7 - Curb Cap
• Weathertight aluminum
construction
• Integral birdscreen
• Built-in curb cap
• Requires roof curb
Model GRS - Curb Cap
• All aluminum exterior
construction
• Galvanized steel
internal supports
• Integral birdscreen
• Built-in curb cap
• Requires roof curb
Model RFC-7 - Flashing Flange
• Weathertight aluminum
construction
• Integral birdscreen
• Built-in flashing flange
Model GRSF - Flashing Flange
• All aluminum exterior
construction
• Galvanized steel internal
supports
• Integral birdscreen
• Built-in flashing flange
Hanging Vibration Isolators
Vibration isolator kits are available for suspended
installations. Kits include all hardware necessary
to mount one unit, with the exception of 1/4-20
threaded rod to be supplied by others. Fan mounting
brackets include prepunched mounting holes for ease
of installation.
Flat Roof Caps
Unit Size A B
B50-B200 4
1
⁄2 (114) 15
5
⁄8 (397)
A50-A190 5
1
⁄2 (140) 14
5
⁄8 (371)
A200-A390 6
3
⁄4 (171) 15
1
⁄2 (394)
A410, A510, A710, A780 9
1
⁄4 (235) 19
5
⁄8 (498)
A700 5
1
⁄2 (140) 25
1
⁄8 (638)
A900-A1050, A1410-A1550 9
1
⁄4 (235) 25
3
⁄8 (645)
A1750, A2150 9
1
⁄4 (235) 36
3
⁄4 (933)
A3600 9
1
⁄4 (235) 48
5
⁄8 (1235)
All dimensions shown in inches (millimeters).
A
B
1/4-20
hanging
support
rod by
others
B
Dia.
D
C
A
1.5
(38)
B
Dia.
D
C
A
B
C
D
Dia.
A
1.75
(44)
B
C
D
Dia.
A
Model
For all
sizes:
ABCD
Throat
Dia.
RCC-7 50-390 15
(381) 12 (305) 10 (254) 6
3
⁄8 (162) 7 (178)
All dimensions shown in inches (millimeters).
Model
For all
sizes:
ABCD
Throat
Dia.
RFC-7 50-390 18
(457) 12 (305) 10 (254) 6
3
⁄8 (162) 7 (178)
All dimensions shown in inches (millimeters).
Model
For all
sizes:
ABCD
Throat
Dia.
GRS-10 410-710 19
(483) 20
1
⁄2 (521) 7
3
⁄4 (197) 2 (51) 10
1
⁄4 (260)
GRS-12 780-1050 22 (559) 29 (737) 10 (254) 3
1
⁄2 (89) 12
1
⁄4 (311)
GRS-16 1410-2150 26 (660) 29 (737) 11 (279) 4
1
⁄4 (108) 16
5
⁄16 (414)
GRS-20 3600 30 (762) 35
1
⁄2 (902) 11
1
⁄4 (286) 3
3
⁄4 (95) 20
5
⁄16 (516)
All dimensions shown in inches (millimeters).
Model
For all
sizes:
ABCD
Throat
Dia.
GRSF-10 410-710 23
(584) 20
1
⁄2 (521) 7
3
⁄4 (197) 2 (51) 10
1
⁄4 (260)
GRSF-12 780-1050 26 (660) 29 (737) 10 (254) 3
1
⁄2 (89) 12
1
⁄4 (311)
GRSF-16 1410-2150 30 (762) 29 (737) 11 (279) 4
1
⁄4 (108) 16
5
⁄16 (414)
GRSF-20 3600 34 (864) 35
1
⁄2 (902) 11
1
⁄4 (286) 3
3
⁄4 (95) 20
5
⁄16 (516)
All dimensions shown in inches (millimeters).