Best MD6S Ficha De Características

SPECIFICATION SHEET

Broan-NuTone LLC Hartford, Wisconsin www.broan.com 800-558-1711

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UNIVERSAL

AUTOMATIC

MAKE-UP AIR DAMPER

21C 99044956A

Broan's Universal Automatic Make-up Air

Damper provides interlocked damper operation

so outside air is only allowed to enter the house

when a connected fan or hood is operating.
For use with any Broan or Best hood operating

over 400 CFM.

Model MD6TU (for 6" round duct)

Model MD8TU (for 8" round duct)

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Meets IRC Code M1503.4

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24 Volt, 60 Hz AC motor

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Normally closed damper

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Automatically opens when exhaust fans are activated

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Foam seals minimize air leakage

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24 gauge galvanized steel construction

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Damper adjustment screw for balancing adjustments

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Use with Fresh Air Inlet Model 641FA for 6" dampers
or Fresh Air Inlet Model 643FA for 8" dampers (sold
separately)

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Includes 24 Volt 20VA transformer

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Includes pressure switch kit

Model MD6S (for 6" round duct)

Model MD8S (for 8" round duct)

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Use with the MD6TU or MD8TU when additional

dampers are required to meet code requirements.

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Can be ganged and controlled using any Broan

damper containing a transformer (MD6TU, MD8TU,
SMD6, SMD8, MD6T/6TR, MD8T/8TR).

Model MD6S
Model MD6TU

Model MD8S
Model MD8TU

Transformer

Included with

MD6TU & MD8TU

Pressure Switch Kit

Included with

MD6TU & MD8TU