Best | MD8TU | Spec sheet | Best MD8TU Spec Sheet

SPECIFICATION SHEET
UNIVERSAL
AUTOMATIC
MAKE-UP AIR DAMPER
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.
Model MD6S
Model MD6TU
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
24 Volt, 60 Hz AC motor
Normally closed damper
Automatically opens when exhaust fans are activated
Foam seals minimize air leakage
24 gauge galvanized steel construction
Damper adjustment screw for balancing adjustments
Use with Fresh Air Inlet Model 641FA for 6" dampers
or Fresh Air Inlet Model 643FA for 8" dampers (sold
separately)
Includes 24 Volt 20VA transformer
Includes pressure switch kit
Model MD8S
Model MD8TU
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.
Can be ganged and controlled using any Broan
damper containing a transformer (MD6TU, MD8TU,
SMD6, SMD8, MD6T/6TR, MD8T/8TR).
Transformer
Included with
MD6TU & MD8TU
Pressure Switch Kit
Included with
MD6TU & MD8TU
Broan-NuTone LLC
REFERENCE
QTY.
Hartford, Wisconsin
REMARKS
www.broan.com
800-558-1711
Project
Location
Architect
Engineer
Contractor
Submitted by
21C
Date
99044956A
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