Master Flow, a GAF brand, manufactures high-quality attic ventilation systems, roof fans, and HVAC ductwork components for efficient home climate control.
Master Flow is a leading manufacturer of residential ventilation and HVAC products, operating as a trusted brand under GAF. Their extensive product line includes power attic vents, roof mount fans, gable fans, whole-house fans, and various ductwork components like dampers and roof louvers.
Designed to improve home energy efficiency, Master Flow ventilation systems help reduce attic heat and moisture, which protects the roof system from premature deterioration. With innovations like QuickConnect™ Wi-Fi technology, humidistat/thermostat controls, and robust weather-resistant designs, Master Flow products provide superior airflow management and climate control solutions.
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For installation or troubleshooting questions, contact Master Flow Technical Services at 1-800-211-9612 or email WarrantyLLBP@gaf.com.
Download the Master Flow QuickConnect Ventilation Control App from the App Store or Google Play Store. Verify in the app's main menu for any firmware updates before following the prompts to finish the setup.
Warranty details and submissions are handled through GAF. You can submit inquiries to us.gaf.com/Masterflow_Warranty or contact their support team for part replacements.
Most Master Flow roof-mount vents are designed for roof pitches of 2:12 to 12:12. They should not be used on roofs with a slope less than 2:12.