F Product information is subject to change without notice.Drawing is not to scale.

SUBMITTED BY:JOB NAME:All dimensions are in inches.

Model ECO20SPIRAL DUCT GRILLES

DOUBLE DEFLECTION3/4" LOUVER SPACING

DWG# ECO-S-0001 Date 1-7-20Rev K

w w w. a n e m o s t a t - h v a c . c o mS U B M I T TA L S H E E T

A I R D I S T R I B U T I O N

NOMINAL WIDTH + 1-9/16

NO

MIN

AL

HE

IGH

T +

1-3/

4(A

PP

RO

XIM

ATE

)

1-1/4

3/4 SPACING TYP.

OPTIONALDIVERTINGDAMPER

5/32 FEMALEHEX HEAD

AIR FLOWDIRECTION

NO

M. H

EIG

HT

- 11/

161-

1/4

FRAME GASKETDUCT

DIAMETER

2-1/2

3/16

NOMINAL WIDTH

NO

MIN

AL

HE

IGH

T

NOMINAL = DUCT OPENING

NOTE:For single and double

deflection with horizontal face louvers, Anemostat will provide front louvers

that follow the curvature of the duct (Architect’s Choice).

Support mullions used on widths 20" and longer.

PRODUCT FEATURES• Adjustable supply grille for installation

into spiral duct

• Durable Arctic White finish

• 3/4" Louver Spacing

• Louvers independently adjustable

• Screws & screw holes in outer frameprovided

• Frame Gasketing

Front Louvers:

(L) Long

(S) Short

Volume Damper:

None

Diverter (must be factory installed)

CONSTRUCTION DETAILSMaterial: 20 GA Cold Rolled Steel Frame (std)

Steel

Aluminum

Finish: Arctic White (std)

Custom Colors (opt)

NOM. GRILLEHEIGHT

NOM. GRILLEWIDTH

SIZE AVAILABILITY

MINIMUMDUCT DIAMETER

3" 4" 6" 8" 10" 12" 14" 16" 18"

5" 6" 8" 12" 14" 18" 20" 24" 26"

6" TO 48"

Model ECO20, Front Blade Direction Long (L) Shown