Model # FVRABL

Internet #202067979

Store SKU #466735

Master Flow 16 in. x 8 in. Automatic Open/Close Foundation Vent in Black
0050206006795

Master Flow

16 in. x 8 in. Automatic Open/Close Foundation Vent in Black

  • Automatic Foundation Vent
  • Temperature controls dampers
  • Replaces manual vent
$1620 /each
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Frequently Bought Together

Product Overview

  • Automatic Foundation Vent
  • Temperature controls dampers
  • Replaces manual vent
The Master Flow 16 in. x 8 in. Resin Automatic Foundation Vent in Black helps to reduce moisture and helps prevent decay in your foundation with a net free vent area of 57 sq. in. The vanes are factory set to automatically open fully at 70°F and close fully at 40°F. The UV resistant resin constructed unit easily slips into place and is held in place by tightening the 4 screws in the face of the unit.
  • Black resin construction
  • Automatically opens and closed according to the outside temperature
  • Easy installation
  • Screen included
  • UV resistant
  • Common: 16 in. x 8 in.; actual: 17.5 in. x 9.25 in.

Product Overview

  • Automatic Foundation Vent
  • Temperature controls dampers
  • Replaces manual vent
Model #: FVRABL
Sku #: 466735
Internet #: 202067979

The Master Flow 16 in. x 8 in. Resin Automatic Foundation Vent in Black helps to reduce moisture and helps prevent decay in your foundation with a net free vent area of 57 sq. in. The vanes are factory set to automatically open fully at 70°F and close fully at 40°F. The UV resistant resin constructed unit easily slips into place and is held in place by tightening the 4 screws in the face of the unit.

  • Black resin construction
  • Automatically opens and closed according to the outside temperature
  • Easy installation
  • Screen included
  • UV resistant
  • Common: 16 in. x 8 in.; actual: 17.5 in. x 9.25 in.

Info & Guides

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Name 17.25 in. x 9.75 in. ABS Plastic Automatic Foundation Vent in Black 16 in. x 8 in. Automatic Open/Close Foundation Vent in Black 17.25 in. x 9.75 in. ABS Plastic Automatic Foundation Vent in Brown 16 in. x 8 in. Energy Efficient Foundation Vent in Grey
Brand Ventamatic Master Flow Ventamatic Battic Door Energy Conservation Products
Ratings (13) (19) (11) (28)
Vent Type Foundation Foundation Wind Turbine Foundation
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Specifications

Dimensions

Cut-Out Left to Right Length (in.)
15.5
Net-Free Area (Sq. In.)
57
Product Depth (in.)
4.25
Product Height (in.)
9.25
Product Width (in.)
17.5

Details

Color Family
Black
Material
Resin
Paintable/Stainable
No
Product Weight (lb.)
2.5lb
Screen Included
Yes
Shape
Rectangle
UV Resistant
Yes
Vent Type
Foundation

Warranty / Certifications

Manufacturer Warranty
4-year Limited Warranty

Specifications

Dimensions

Cut-Out Left to Right Length (in.)
15.5
Net-Free Area (Sq. In.)
57
Product Depth (in.)
4.25
Product Height (in.)
9.25
Product Width (in.)
17.5

Details

Color Family
Black
Material
Resin
Paintable/Stainable
No
Product Weight (lb.)
2.5lb
Screen Included
Yes
Shape
Rectangle
UV Resistant
Yes
Vent Type
Foundation

Warranty / Certifications

Manufacturer Warranty
4-year Limited Warranty

Questions & Answers

Does it do any damage to the operation of the vent if the face plate has been removed for install...

Does it do any damage to the operation of the vent if the face plate has been removed for installation and then put back on.
Asked by: Debbie
Although these are not made to be taken apart, if the unit was not damaged in the process the operation should be fine. If you have any other inquiries about our Master Flow products please call Technical Services at 800-211-9612.
Answered by: BrandAnswers
Date published: 2017-09-27

Will the vent automatically close when it rains

Will the vent automatically close when it rains
Asked by: Jerry
No. From my experience, the gutter and eave keep water out even in the strongest rain.
Answered by: RGS
Date published: 2017-08-13

Are these removable if you need access to the crawl space? What are the true dimensions of the re...

Are these removable if you need access to the crawl space? What are the true dimensions of the recessed part?
Asked by: Kay
I don't think that you can access your crawl space through a 16 x 8 inch opening.
Answered by: Mudbone
Date published: 2017-11-18

what does it mean when it says common 16 in x 8in actual 17.5 in x 9.25 in ?

what does it mean when it says common 16 in x 8in actual 17.5 in x 9.25 in ?
Asked by: sassy
Actual size is 16 x 7.75. Hardware is measured to make it look like you're getting more than you're paying for. Wood is a great example of this.
Answered by: DrexelLake
Date published: 2017-06-10
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Customer Reviews

16 in. x 8 in. Automatic Open/Close Foundation Vent in Black is rated 2.9 out of 5 by 19.
Rated 5 out of 5 by from I put a few of these in last fall to determine if they would close automatically when it reached ... I put a few of these in last fall to determine if they would close automatically when it reached 40 degrees or less. All of them performed as advertised. One tip I learned from a other reviewer was (before installing) to put them in the freezer to make sure they closed. One did not close but was I able to make a small adjustment and it worked great afterwards. They are easy to install and I think much better than those that have clips.
Date published: 2017-05-30
Rated 1 out of 5 by from I did not find any adjustment screw on mine. But I did find a loose rivet that was keeping some o... I did not find any adjustment screw on mine. But I did find a loose rivet that was keeping some of them from opening fully. Also the face frame is poorly attached to the body wit a couple of dabs of silicon. This promptly fell apart when I removed the unit to clean and test it.
Date published: 2017-07-29
Rated 5 out of 5 by from Easy to install. Brilliant concept and design. I replaced 50 plus year old vents. They function... Easy to install. Brilliant concept and design. I replaced 50 plus year old vents. They function and look great.
Date published: 2017-08-13
Rated 5 out of 5 by from Excellent Product The negative reviews don't seem to understand how you adjust the vent. The vent operates using a metal spring that expands and contracts with temperature. It should be fully open at 70 degrees and fully closed at 40. The way you check this is by putting the vent in the refrigerator, making sure it is in the same position as you'll install it (top side up, standing up). After half and hour or so, the vent should be closed. If it's not, use a screwdriver to adjust the spring - you'll see a plastic notch on the side with the metal cover. It only takes half a turn or so one way or the other, and the grates will spring shut when you hit it right. Test each one and you'll have no problems. I used these to replace the old metal grates on my house. I took the extra step of getting some 1/2 in. foam insulation board and cutting it to fit around the body of the vent, mainly to take up the extra space between the opening in the wall and the vent itself and keep it centered (so I had the vent boxed in with foam board on all sides). I put down a stripe of expanding foam insulation around the opening to seal any cracks and slid it in. This keeps the vent secure and tight in the hole without having to rely solely on the screws. A nice bead of silicone caulking around it to keep water out to finish it off. The days after I installed them were well below freezing at night, and these vents works flawlessly. It made a tremendous difference in the temperature of the floor and kept the house much more comfortable. Take the time to adjust the vent if it needs it and use care when installing it and you'll have no problems.
Date published: 2015-10-22
Rated 5 out of 5 by from After reading the negative reviews, I tested the 15 vents purchased by putting them in our freeze... After reading the negative reviews, I tested the 15 vents purchased by putting them in our freezer for 15 minutes. All worked correctly, requiring no adjustment. Installation was very easy. All 15 are opening and closing correctly with temperature changes as of now--days after installation. The instructions do not include any reference to adjusting these vents, so, while there is an adjustment screw visible, I have no idea which way to turn the screw to make adjustment if needed.
Date published: 2017-01-23
Rated 3 out of 5 by from The features are great but do not last. 19 of these vents were installed when our house was built and they worked great for the first 6 years. Now, 9 of them no longer function properly. They remain closed all the time. I have removed them and tried to adjust and lubricate but it did not change anything. After 6 years I have to replace at least 9 and wonder if the others will stop functioning also. Any suggestions?
Date published: 2012-03-31
Rated 5 out of 5 by from Satisified After reading all the negative comments I was hesitant to purchase. However, I purchased two just to try. Put them both in the freezer before installation to test and both closed and then reopened at room temperature. Installed them both before a cold night. One closed and one did not. However, there is an adjustment on the side that makes it close sooner. Made a slight turn of the screw and it works correctly. I like them and plan to replace the remainder of my old vents.
Date published: 2014-11-03
Rated 2 out of 5 by from These are junk I bought and installed 5 of these vents last winter. Two of them have failed in the closed position in less than a year.
Date published: 2012-07-20
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