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Questions and Answers for Master Flow 16 in. x 8 in. Automatic Open/Close Foundation Ventilation Crawl Space Vent in Black

Internet #202067979

Model #FVRABL

Store SKU #466735

16 in. x 8 in. Automatic Open/Close Foundation Ventilation Crawl Space Vent in Black
(293)Questions & Answers (80)
  • Automatic foundation vent opens at 70°F, closes at 40°F
  • Helps prevent foundation decay; lowers risk of frozen pipes
  • Replaces manual vent with snap-in installation
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Questions & Answers

80Questions
caret
Q:Will the vents fail to open if they are installed upside down?
by|Nov 27, 2023
1 Answer
Answer This Question

A:  The metallic winding will not operate properly when installed upside down, this may cause the unit to not open. If you have any inquiries about Master Flow products please email MasterFlowTech@gaf.com

by|Nov 28, 2023
    caret
    Q:. How do these close for winter? Master Flow 16 in. x 8 in. Automatic Open/Close Foundation Ventilation Crawl Space Vent i
    by|Nov 3, 2023
    1 Answer
    Answer This Question

    A:  They are factory set to close fully at 40°F and should not open unless the temperature reaches that. If you have any other inquiries about our Master Flow products please email, warrantyllbp@gaf.com

    by|Nov 3, 2023
      caret
      Q:. How do these close for winter? Master Flow 16 in. x 8 in. Automatic Open/Close Foundation Ventilation Crawl Space Vent i
      by|Nov 3, 2023
      1 Answer
      Answer This Question

      A:  They are factory set to close fully at 40°F and should not open unless the temperature reaches that. If you have any other inquiries about our Master Flow products please email, warrantyllbp@gaf.com

      by|Jan 5, 2024
        1 found this answer helpful
        caret
        Q:Is there a reccomended caulking or sealant to go around this product? I have used DAP Dynaflex ultra before. But I wonder if there’s a manufacturer recommendation
        by|Oct 14, 2023
        1 Answer
        Answer This Question

        A:  If needed, any exterior grade silicone should work. If you have any other inquiries about our Master Flow products please email, warrantyllbp@gaf.com

        by|Oct 18, 2023
          caret
          Q:Can you install these from the inside so the back is visible on the outside? Will they still work?
          by|Oct 3, 2023
          1 Answer
          Answer This Question

          A:  No, these should be installed as per the instructions to work as designed. If you have any other inquiries about our Master Flow products please email, warrantyllbp@gaf.com

          by|Oct 6, 2023
            caret
            Q:Is there a way to overide the action without destroying it?
            by|Sep 24, 2023
            1 Answer
            Answer This Question

            A:  There is a adjustment screw on the side of the vent. Although over tightening it may cause damage. If you have any inquiries about Master Flow products please email MasterFlowTech@gaf.com

            by|Oct 28, 2023
              caret
              Q:What vents can you recommend for me to use on vinyl skirting ? skirting has vents but not enough airflow,
              by|Sep 7, 2023
              1 Answer
              Answer This Question

              A:  We do not have an approved foundation vent for vinyl skirting.

              by|Sep 12, 2023
                caret
                Q:Can this be used on vinyl skirting?
                by|Sep 2, 2023
                1 Answer
                Answer This Question

                A:  No, this is designed for block or brick foundations. If you have any inquiries about Master Flow products please email MasterFlowTech@gaf.com

                by|Sep 5, 2023
                  caret
                  Q:Can the mounting bolts and nuts be bought separately
                  by|Jul 11, 2023
                  2 Answers
                  Answer This Question

                  A:  No, as we do not carry the mounting hardware as a separate item.

                  by|Jul 11, 2023

                    A:  Yes, Home Depot and others have the 3/8 bolts and nuts that can be used for these . They do not have the pointed ones, but a regular bolt with a head works, use the head on the same side as the point .

                    by|Jan 24, 2024
                      caret
                      Q:If you drop one of these will they no longer work?
                      by|Jun 21, 2023
                      1 Answer
                      Answer This Question

                      A:  The possibility exists that when you drop something it can be damaged. If you have any other inquiries about our Master Flow products please email, warrantyllbp@gaf.com

                      by|Jun 21, 2023
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                        Rough Opening Width (in.)

                        16

                        16

                        14

                        Rough Opening Height (in.)

                        8

                        8

                        6

                        Automatic/Manual

                        Automatic

                        Manual

                        Automatic

                        Power Type

                        Non-Powered

                        Non-Powered

                        Non-Powered