Round Base Chimney Vacuum Cap – Aluminum

(2 customer reviews)


Category: Chimney Cap – Subcategory: Round Base Material: Aluminum – Finish: Mill – Thickness: 0.02 Inches Shape: Round – Dimensions: 3″, 4″, 5”, 6″, 7″, 8″, 9″, 10″, 12″ – Sku: VCA


The FAMCO VCA Chimney Cap has been used for decades with gas, oil, coal, and wood burning chimneys. This chimney cap increases updraft and prevents downdrafts caused from wind. This works by forcing the wind to alter its direction over one of four gores on the cap. The change of direction creates an area of lower density air (partial vacuum) at the outlet of the pipe. Lower density air creates draft within the exhaust pipe, helping to remove exhaust gases and increasing overall efficiency. The positioning of the cap relative to the prevailing winds is not critical but is slightly more effective when placed with its flat side facing the winds. Quality constructed in .020 – .025 gauge Aluminum. The FAMCO VCA Chimney Cap has a round base for installation over a round pipe and comes in a range of diameters from 3 inch to 16 inch with heights ranging from 4¾ inch to 15 inch respectively. The FAMCO VCA Chimney Cap is manufactured by Famco in the United States and comes with a 1-year warranty against product defects and workmanship. If you have any questions about this product, please refer to the FAQs above or feel free to contact us by phone or email.

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Round Base Chimney Vacuum Cap - Aluminum


2 reviews for Round Base Chimney Vacuum Cap – Aluminum

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  1. Joseph (verified owner)

    It is improving the draft of the chimney. The fire is much easier to start even on very gusty days. The season is almost over so I it hasn’t had a lot of testing, but so far – great. If you are thinking of buying you must get on the roof and measure the outer diameter of the chimney. That is what you base your choice on. Those triple wall pipes that come through the roof can vary in outer diameter by at least an inch. That will affect which chimney cap you purchase. I got “surprised” but now you don’t have to!

  2. Gary Hicks (verified owner)

    Perfect with no problems

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