H Style Chimney Cowl

This cowl is manufactured in stainless steel grade 316 and is suitable for 200mm diameter pipes and ducts.

H style chimney cowl.

O h cowl for chimney clay pots. The most effective type of chimney cowl is the h pot or h style cowl. Height standing pre install 500mm. A h style cap cowl is a chimney top constructed from chimney pipes shaped like the letter h.

Chimney h cowl colours. This cowl is strap fitted and hand made from 316 stainless steel and is suitable for. 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. Although the h cap has a distinctive advantage over most other downdraft caps it fell out of favor because of its bulky looks.

Depth it goes into chimney pot 230mm. 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. This causes the wind to flow around the cowl which actually causes an increase in chimney draft.

The o h cowl is the recommend cowl for blow backs in a fire place. 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. 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. It is an age old method to regulate draft in situations where prevailing winds or turbulence cause downdraft and backpuffing.

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.