H Style Chimney Cowl

Normally caused by low chimney stacks and obstructions that can be around the chimney pot and is mostly noticeable when winds are blowing in a certain direction.

H style chimney cowl.

This causes the wind to flow around the cowl which actually causes an increase in chimney draft. Height standing pre install 500mm. It has a distinctive advantage over most other downdraft caps because it stabilizes the draft rather than increases it allowing the fireplace to operate more efficiently. Although the h cap has a distinctive advantage over most other downdraft caps it fell out of favor because of its bulky looks.

Stainless steel finish. Up to the 2015 winter season the h cowl was only available in a terracotta colour finish but it is now available in four different colours. Depth it goes into chimney pot 230mm. This cowl is strap fitted and hand made from 316 stainless steel and is suitable for.

Stainless steel rotating chimney cowl. O h cowl for chimney clay pots. Before buying this type of chimney cowl make sure the cowl is designed to handle the fuel you re burning such as wood natural gas or fuel oil and make sure the base fits your chimney. The o h cowl is the recommend cowl for blow backs in a fire place.

Made from chimney pipes shaped like the letter h it isolates combustion gases from the winds and. The h chimney cowl is probably the ultimate static anti downdraught chimney cowl as it completely isolates the combustion gases from the prevailing winds. Chimney h cowl colours. Height post install 270mm.

It is an age old method to regulate draft in situations where prevailing winds or turbulence cause downdraft and backpuffing.