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Relief Dampers

Maintaining a constant pressure for safety and comfort.

Relief dampers are backdraft dampers with an adjustable start-open pressure that allows excess air escape to lower indoor pressure. Barometric relief dampers are used for gravity ventilation and low-velocity systems.

BR-10 Series

Horizontal mount providing a vertical airflow up.

VIEW BR-10 Series
https://catalog-api.greenheck.com/api/product/en-us/563

BR-30 Series

Vertical mount providing a horizontal airflow.

VIEW BR-30 Series
https://catalog-api.greenheck.com/api/product/en-us/561

BR-40 Series

Horizontal mount with a vertical airflow direction down.

VIEW BR-40 Series
https://catalog-api.greenheck.com/api/product/en-us/559

SEBR-10 Series

Horizontal mount with a vertical airflow up. The SEBR series uses 316 stainless steel.

VIEW SEBR-10 Series
https://catalog-api.greenheck.com/api/product/en-us/557

SEBR-30 Series

Vertical mount with a horizontal airflow using 316 stainless steel.

VIEW SEBR-30 Series
https://catalog-api.greenheck.com/api/product/en-us/277

SEBR-40 Series

Horizontal mount with a vertical airflow down using 316 stainless steel.

VIEW SEBR-40 Series
https://catalog-api.greenheck.com/api/product/en-us/276