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ETA

Exposed Vestibule Exception (ETA) Unheated Air Curtains

Unheated

The ETA unheated air curtain has been tested in accordance with ANSI/ AMCA 220 and meets the criteria for use as an exception to the vestibule requirement in Climate Zones 3 and above. The ETA is used to stop cold or warm air from entering a climate controlled environment and is designed for all retail, grocery and office entryways as well as other applications that typically would require a vestibule. This commercial line’s stainless steel construction, stainless steel intake screen, and 45 degree beveled edges give it a modern, pleasing look.

At a Glance

Single Incremental Widths

3' to 14'

MAX Installation Height

14'

Heavy Duty Motors

3/4 HP

Key Design Features

  • Stainless steel case is 18 gauge 304 stainless steel in a number three finish.
  • Heavy duty 3/4 HP motors. 1630 rpm each.
  • High efficiency discharge plenum ensures that air being discharged fills the entire width and height of the opening. This also lowers the operational sound level.

Recommended Controls

  • ON / OFF switch
  • Magnetic door switch for activation
  • Time delay relay

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ETA Downloads

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Individual Files

ETA | Performance Table
MODELNozzle
Width (in.)		Average Outlet
Velocity (FPM)		Airflow
Rate (CFM)		Outlet Velocity
Uniformity		Power
Rating (kW)		Number of
Motors		Motor HPWeight
(lbs.)
ETA-1-36362060140188%0.7613/490
ETA-1-42422022167888%0.8413/497
ETA-1-48481849175784%0.8613/4104
ETA-1-60601619200772%0.9413/4117
ETA-2-72722060280288%1.5223/4169
ETA-2-84842022335688%1.6823/4187
ETA-2-96961849351484%1.7223/4203
ETA-3-1081082060420388%2.2833/4245
ETA-3-1201182033475788%2.4433/4274
ETA-3-1321331860480972%2.4633/4290
ETA-4-1441452060560488%3.0443/4338
ETA-4-1561572040615888%3.243/4356
ETA-4-1681692022671288%3.3643/4374
ETA | Mechanical Information Table
MODELOverall Width
(in.)		Nozzle Width
(in.)		Mounting Width
(in.)
ETA-1-36373636.06
ETA-1-42434242.06
ETA-1-48494848.06
ETA-1-60616060.06
ETA-2-72737272.06
ETA-2-84858484.06
ETA-2-96979696.06
ETA-3-108109108108.06
ETA-3-120119118118.06
ETA-3-132134133133.06
ETA-4-144146145145.06
ETA-4-156158157157.06
ETA-4-168170169169.06