H Style Chimney Cowl

This causes the wind to flow around the cowl which actually causes an increase in chimney draft.

H style chimney cowl.

O h cowl for chimney clay pots. 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. Stainless steel finish. The o h cowl is the recommend cowl for blow backs in a fire place.

This cowl is manufactured in stainless steel grade 316 and is suitable for 200mm diameter pipes and ducts. The h chimney cowl is probably the ultimate static anti downdraught chimney cowl as it completely isolates the combustion gases from the prevailing winds. Stainless steel rotating chimney cowl. Made from chimney pipes shaped like the letter h it isolates combustion gases from the winds and.

Although the h cap has a distinctive advantage over most other downdraft caps it fell out of favor because of its bulky looks. Height post install 270mm. 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. The most effective type of chimney cowl is the h pot or h style cowl.

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. Depth it goes into chimney pot 230mm. It is an age old method to regulate draft in situations where prevailing winds or turbulence cause downdraft and backpuffing.

This cowl is strap fitted and hand made from 316 stainless steel and is suitable for.