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 Modulating dampers open, close or position anywhere between open and close to control the amount of air to a space. Designed for HVAC ductwork.
Durable construction and reliable operation.  

Low Power - 24VAC, 2VA

High Torque - 80 in/oz compared to spring return actuators with 40-50 in/oz..

Plug&Play or 3-Wire Connection

Sizes - 6" to 20" Diameters.

Made in the USA.

Unsealed or Sealed.

Unsealed - No restriction for maximum airflow.

Double Sealed - Minimal air leakage. Foam gasket on peripheral of blade and a foam gasket attached to shell.

Live Customer Support

M-F 8am-4:30pm PST 
949-916-6701

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All Orders Over $99.

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