iPower 6 inch Backdraft Shutter Damper Back Draft Blocker, One-Way Airflow Ducting Insert Backflow Preventer with 2 Inline Springs Loaded Folding Blades, 6", for HVAC Extractor Fan Vent, Range Hoods

Brand:iPower

3.3/5

49.80

iPower 6 inch Backdraft Shutter Damper Back Draft Blocker, One-Way Airflow Ducting Insert Backflow Preventer with 2 Inline Springs Loaded Folding Blades, for HVAC Extractor Fan Vent, Range Hoods

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EAN: 0840166237212

Categories Tools & Home Improvement, Building Supplies, HVAC, Ducting,

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. Material: The 6 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. 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. 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. 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.
Country of Origin China
Customer Reviews 4.2 4.2 out of 5 stars 34 ratings 4.2 out of 5 stars
Item model number 6 inch Backdraft Shutter Damper Back
Item Weight 13.4 ounces
Manufacturer iPower
Product Dimensions 6.9 x 6.9 x 6.3 inches

3.3

3 Review
5 Star
62
4 Star
16
3 Star
11
2 Star
4
1 Star
7

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Scritto da: Russell Westall
Has worked perfectly so far!
Use this on an exhaust fan to keep the cold and elements from blowing back when fan is off. Had it installed for a couple months and it seems to be doing the job quite well.
Scritto da: L. + S. Preston
Worked great for us
Work wonderful to connect the laser exhaust fan to the outside.
Scritto da: Brian shushok
It is made very cheap
It was loose it fell apart when I got it out of the box I needed to put it together

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