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Field Controls 46231900

Field Controls 46231900Air System Make-up with Intake Air Hood MAS-1

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Product Overview


Although a Fresh Air System is the recommended choice for fresh air ventilation, a second, low-cost option for fresh air ventilation is a Make-Up Air System (MAS). Exhaust ventilation systems remove air from a particular location, often leading to depressurization in the home. Replacement or make-up air will infiltrate through leaks in the building shell and other uncontrolled sources like the garage, attic, or basement where toxic fumes and other gases are present.

  • A make-up air damper can be added to the central system when exhaust ventilation is employed
  • The MAS provides replacement air as needed from a controlled source into the return air plenum where it is tempered and distributed throughout the home
  • Adjustable gate provides precise air flow control
  • Pressure activated
  • Functions with or without the HHSC
  • Easy to read air flow gauge
  • No electricity required
  • 24 gauge aluminum coated steel
  • Corrosion resistant and paintable
  • Quiet operation
  • Fits 6 in duct or pipe

Product Details

BrandField Controls
Product TypeMake-up with Intake Air Hood
Part NumberMAS-1

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