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This model is a round backdraft (or intake) damper designed to prevent cold air from flowing back into warm air ducts, e.g. a bathroom extractor fan. It allows airflow in one direction while blocking reverse airflow. The model has a…
Simple Reference Model for the Backdraft Phoenix Hpa Engine (M4) https://backdraftinnovations.com/products/backdraft-phoenix-m4-hpa-engine-fcu 5/19/2025 - Removed Internals
A one way air valve for 125 mm ducting
Migrating from thingiverse https://www.thingiverse.com/thing:4411669 Anti draft BackDraft stopper Adaptor for a 250mm Ceiling Extractor Clipsal AirFlow CE250 easily removable/swapable with the 150mm flexible duck Adaptor to remove Solder…
A simple dummy cad model of the backdraft phoenix to aid in integrating the phoenix into your design. If there are any mistakes make a comment, I may or may not remember to check for comments. All credit to Aiden Walsh at Backdraft…
Print Vent using supports, cover without. Can be scaled down to fit 6" and 4" vents. Your choice of material, I used PLA on .20 resolution because of the hinges. a Piece of filament or wire coat hanger will make a suitable pin (I opted…
We had a draft coming in through the over-stove microwave vent. This is my solution. I thought I would post it in case anyone else found it useful. This stops air flowing back into the house, and also doubles as extra insulation layer…
Air backdraft damper for 110 mm pipes with an inner diameter of 103.8 mm. Suitable for inclined pipes or vertical pipes pointing upwards. It is not suitable for strictly horizontal pipes, as the flaps will not close automatically. (A…
Ventilation Grille with One-Way Backdraft Damper – 170 x 170 mm A practical 3D-printed ventilation grille featuring a gravity-operated one-way backdraft damper, designed to help prevent unwanted reverse airflow. This is an updated version…
How does it work? The grille features a movable gravity-operated flap that allows airflow in one direction while automatically closing when the airflow reverses. Main benefits: Helps prevent cold air from flowing back into the room.…
Print Vent using supports, cover without. Can be scaled down to fit 6" and 4" vents. Your choice of material, I used PLA on .20 resolution because of the hinges. a Piece of filament or wire coat hanger will make a suitable pin (I opted…
