Master Flow® Replacement Motors Specs

      Master Flow® Replacement Motors Docs

      Master Flow® Replacement Motors Videos

      Flexible icon


      Allows you to replace existing motors without removing the vent


      For maximum performance & energy efficiency
      Complemenary icon


      Works with previous & current Master Flow® Power Attic Vents (see chart below)
      • High Efficiency:  PSC (permanent split capacitor) motor is more efficient and runs cooler than traditional shaded pole motor designs.
      • Convenient:  Existing power attic vent may be left in place during motor replacement without the hassles of removing the vent.
      • Specially Designed:  Genuine replacement motors for current and previous Master Flow® Power Attic Vent Roof and Gable mount models (See chart below).
      Power Attic Vents CompatibilityRoof mount: ERV4, ERV5, PR1, PR2; Gable mount:EGV5, PG1, PG2
      HP/Wattage1/12hp, 165w
      Power Attic Vents CompatibilityRoof mount: ERV6; Gable mount: EGV6
      HP/Wattage1/9hp, 200w
      Power Attic Vents CompatibilityRoof mount: PR3; Gable mount:PG3
      HP/Wattage1/5hp, 300w

      FAQs for Master Flow® Power Vents


      Still have a question about this product?

      Fill out a warranty or technical question form below and a member from our team will be in touch.

      Warranty QuestionsTechnical Questions


      See Master Flow® Powered Ventilation Products Limited Warranty for complete coverage and restrictions.
      Visit the Attic Ventilation Calculator for details.

      Note: Always have a balanced ventilation system. In no case should the amount of exhaust ventilation exceed the amount of intake ventilation.

      Where to buy

      Find a GAF distributor near you.

      Find a contractor

      Find a GAF certified contractor near you.