Buckley Associates Stock Catalog - November 4, 2024

Gravity Hoods

GRS Spun Aluminum Gravity Ventilators

The Greenheck Model GRS is designed for intake or relief applications with either natural gravity or positive pressure systems. The GRS appearance blends with other Greenheck products with its low silhouette, avoids the problem of detracting from architectural aesthetics. Exceptional design and construction features make this unit a rugged, efficient and economical air inlet or outlet.

60

+ Aluminum housing + Aluminum curb cap with pre-punched mounting holes Standard Construction

+ Damper Motor Kit, Model MP100 120/24V List Price 252.00 (120V) 463.00 (24V) Accessories

Dimensional Data

Model

A

B

C

D

Diameter

Throat Area (Ft²)

B

GRS8

19

20 Zx

7 Zv

1 Zx

8 Zv

0.37

GRS10

19

20 Zx

7 Cv

2

10 Zv

0.57

C

D

GRS12

22

29

10

3 Zx

12 Zv

0.82

GRS15

22

29

10

3 Zx

14 Zv

1.12

D

Dia. A

1 in. 3 / 4

GRS16

26

29

11

4 Zv

16 Zv

1.45

GRS18

30

35 Zx

9 Cv

1 Cv

20 Zv

1.83

GRS20

30

35 Zx

11 Zv

3 Cv

20 Zv

2.25

GRS24

34

35 Zv

11

4

24 Zx

3.24

Performance Data & Pricing

Stock Model GRS spun aluminum gravity ventilators include birdscreen.

Total Pressure Drop (in. wg) Volume (CFM)

Damper WD100

Model

0.04 231 178 331 279 468 400 663 553 870 742 1060 1284 1096 1879 1542 901

0.06 282 218 406 342 573 490 811 677 1065 1298 1104 1572 1343 2301 1888 908

0.08 326 252 468 395 662 566 937 782 1230 1049 1499 1274 1815 1550 2657 2180

0.1

0.15 446 345 641 541 907 775 1283 1071 1685 1436 2052 1745 2486 2123 3638 2985

0.2

0.25 576 445 828 698 1171 1001 1656 1383 2175 1854 2649 2253 3209 2741 4697 3854

GRS Roof Curb

RELIEF

365 282 524 442 740 633

516 398 741 624

169.00 WD100 8×8

GRS8

467.00 400.00 GPI19/12

INTAKE

RELIEF

195.00 WD100 10 ×10

GRS10

512.00 400.00 GPI19/12

INTAKE

RELIEF

1047

199.00 WD100 12×12

GRS12

565.00 443.00 GPI22/12

INTAKE

895

RELIEF

1048

1481 1237 1945 1658 2370 2015 2870 2452 4201 3447

228.00 WD100 16×16

GRS15

737.00 443.00 GPI22/12

INTAKE

874

RELIEF

1375 1173 1676 1425 2029 1733 2971 2438

228.00 WD100 16×16

GRS16

765.00 507.00 GPI26/12

INTAKE

RELIEF

299.00 WD100 18×18

GRS18

920.00 572.00 GPI30/12

INTAKE

RELIEF

299.00 WD100 18×18

GRS20

947.00 572.00 GPI30/12

INTAKE

RELIEF

392.00 WD100 24×24

GRS24

1402.00 659.00 GPI34/12

INTAKE

Buckley Associates, Inc.

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