Venturi Chimney Cap

And as i explored that notion i became convinced that a chimney cap designed to create a venturi effect would be the answer to my problem.

Venturi chimney cap.

Vacu stack chimney caps are wind resistant chimney caps also known as high wind flue caps chimney wind deflectors chimney wind caps etc. Because rain usually falls at an angle the rain hits the inside sides of the shroud travels down the sides and out the bottom without entering the chimney. Our fireplaces accessories category offers a great selection of fireplace chimney caps and more. There are no moving parts to bind or malfunction.

This work on the venturi principle and is named after an italian physicist giovanni batista venturi 1746 1822. A concentric shroud venturi cowl or parallel rain excluder will allow the smoke to travel upwards and significantly reduce the amount of rain entering the chimney. The secret to getting a flue to draw is to have a constriction in the chimney. Superior chimney s vacu stack chimney caps cure most wind related fireplace smoke back up issues via the venturi effect which utilizes wind movement hitting this cap to increase strength in positive.

The vacu stack creates a venturi that causes flue gases to flow up and out of the chimney. Air moving up the chimney has to compress to get through the gap of the constriction once through the chimney opens out and the pressure in the rising. The streamline flow of the wind around the vacu stack prevents wind from blowing into the chimney even when the wind is deflected downward. Call 877 244 6349 we install vacu stack chimney caps.