Top 10 Best Dryer Vent Draft Blocker

Prevent cold air from entering your home through the dryer vent with our inline dryer vent draft blocker. Air flow from the dryer opens up the damper gravity keeps draft blocker closed when dryer is not in use. Plastic construction Calcium filled polypropylene has a melting point of 325 degrees F. Comes with balanced damper fully assembled. Easily attaches to vent pipe and clothes dryer duct.

The Ventilation Maximum AF4 4 inch outdoor air vent cover is designed to prevent cold, rain, snow and wind from penetrating the unit. A triple sealed and insulated exhaust flaptrap also offers energy savings by efficiently closing off the opening from inside the home or commercialindustrial building.. APPLICATION this outdoor vent cover may be installed as a dryer vent outlet, bathroom fans vent outlet, as well as HVAC air exchanger and furnace intakeexhaust covers.. This outdoor air vent cover is built from galvanised steel and then coated with an interior and exterior baked powder paint including UV protection making it robust and durable.. INSTALLATION Easy DIY installation using standard tools. Please view our video for more detailed information.. Ventilation Maximum has been specialising in ventilation for over 40 years and prides itself with its quality products and services. Fell free to contact us for any questions, your request will be answered in a timely manner..

Back draft damper for insertion into 4 inch ventilation ducts. The backflow damper RKI opens and closes automatically. It has a strong spring and can be installed either horizontally or vertically. The flap is suitable for retrofitting, since it is completely inside the duct. A tight sealing and fastening of the duct is achieved by the rubber strip attached to the outside of the draft blocker damper. The rubber seal prevents loud rattling when the flap blades open and close. The housing of the flap is made of galvanized steel, the flap blades are made of aluminum, the axle and spring are made of stainless steel. Designed for use in AC, dryers, exhaust, extractor or range hoods, heating systems, vents and other residential, commercial and industrial HVAC applications. FUNCTIONALITY Duct draft stopper prevent cold air or wind from entering the ventilation pipe. In this case, the flap is installed in such a way that the flap leaves only open into the outgoing air direction. This means that no cold air wind can penetrate the ventilation pipe from the outside.. INSTALLATION The backflow Preventer valve is installed by pushing it into the ventilation pipe as far as it will go. The position of the spring should be horizontal when the flap is installed horizontally so that it can be opened and closed optimally. This also applies to the vertical installation..

SAVE MONEY ENERGY One of the main functions of this dryer vent cover with guard is to keep cold or hot air out of your house. Laundry room is no longer a meat locker in winter Its energy efficiency will also be a plus. It fits 4 inches tubes.. REFUSE ANIMALS The inner flapper rise up and allows air to escape when the dryer is pushing air, and when the dryer is off, the flapper fall down and seals perfectly by being 100 in line with gravity. It can keep insects, animals, and drafts out of your house.. MAKE YOUR OWN DESIGN This outdoor dryer vent cover is made of plastic, which is not UV resistant. You can paint it for UV protection. Besides, painting it to match your house color is fun.. FAIRLY EASY INSTALLATION Featuring a square base with pre-drilled holes, the vent cover must be installed in a vertical position and you can use caulk or foam adhesive to seal the holes you make. WORKS WELL IN THE BAD WEATHER Operates well on cold, rainy, snowy days. It can block cold air to protect your washing machine pipes from freezing..

MaterialThe 4 inch backdraft damper is made out of a Galvanized steel, the flap leaves are made of aluminum, while the Axis and spring are made of stainless steel.. InstallationThe backdraft damper is installed by pushing it into the ventilation pipe as far as it will go. The position of the spring should be horizontal when the flap is installed horizontally so that it can be opened and closed optimally. This also applies to the vertical installation.. FunctionThis airflow regulating backdraft shutter fits over the TD lip and is designed to improve ventilation by preventing air from re-circulating when the fans are not in use.. Wide Application These backdraft dampers can be widely used in ACs, exhaust fans, extractors, range hoods, heating ducts, vents and other residential, commercial and industrial applications.. NoteBack draught valves can be inserted into ventilation ducts which are flexible or non flexible. Cannot be used with plastic ducts as the sizes are different..

Back draft damper is made for insertion into inch ventilation ducts. The backflow damper RKI opens and closes automatically. It has a strong spring and can be installed either horizontally or vertically. The flap is suitable for retrofitting, since it is completely inside the duct. Damper has 2 valves, designed for use in air conditioners AC, dryers, exhaust, extractor or range hoods, heating ducts, vents and other HVAC applications. INSTALLATION The backflow flap is installed by inserting it into the ventilation pipe until it stops. The position of the spring should be horizontal for horizontal installations so that it can open and close optimally. The Backdraft shutter is installed so that the damper blades open only in the outflowing air direction.. The backflow flap opens and closes automatically at low air volumes. It has a smooth-running spring and an internal foam strip to keep the blades from rattling and can be installed horizontally or vertically. Back draught valves can be inserted into ventilation ducts which are flexible or non flexible. Cannot be used with plastic ducts as the sizes are different..

Lightweight valve wings The valve wings open under the pressure created by the airflow and then automatically close with the spring work. The backflow flap closes automatically at low air volumes. The Backdraft shutter is installed so that the damper blades open only in the outflowing air direction. Keep away from rattling It has an internal foam strip and a smooth-running spring to keep the valve wings from rattling. The position of the spring should be horizontal for horizontal installations so that it can open and close optimally. One-way airflow ducting insert Back-flow valve with 2 spring-loaded wings prevents the reverse airflow movement through the ventilation duct when the ventilation system is turned off. Material The 4 inch Backdraft damper is made out of a Galvanized steel, the flap leaves are made of aluminum, while the Axis and spring are made of stainless steel and can withstand temperatures from 14 to 140 F. Wide applications Back draught valves can be inserted into ventilation ducts which are flexible or non-flexible. Designed for use with range hoods, bathroom fans, kitchen and other home HVAC applications. Essential for HVAC ventilation.

Back draft damper is made for insertion into inch ventilation ducts. The backflow damper RKI opens and closes automatically. It has a strong spring and can be installed either horizontally or vertically. The flap is suitable for retrofitting, since it is completely inside the duct. Damper has 2 valves, designed for use in air conditioners AC, dryers, exhaust, extractor or range hoods, heating ducts, vents and other HVAC applications. INSTALLATION The backflow flap is installed by inserting it into the ventilation pipe until it stops. The position of the spring should be horizontal for horizontal installations so that it can open and close optimally. The Backdraft shutter is installed so that the damper blades open only in the outflowing air direction.. The backflow flap opens and closes automatically at low air volumes. It has a smooth-running spring and an internal foam strip to keep the blades from rattling and can be installed horizontally or vertically. Back draught valves can be inserted into ventilation ducts which are flexible or non flexible. Cannot be used with plastic ducts as the sizes are different. Size 4'' Inch.

Manufactured in United states. Easy to use. Highly durable.