O H Chimney Cowl

An adapter for a square chimney pot is available.

O h 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. In heavy gauge quality steel completely galvanised after manufacture in the following sizes. O h chimney cowl can they be used for a gas fire terminal. If wind drives downwards in turbulent weather conditions the air moving down the tubes induces suction as it passes the horizontal tube and the hot gases and smoke.

The viper book dosnt show it but i think the corgi book does. Please state size required. The h chimney cowl is probably the ultimate static anti downdraught chimney cowl as it completely isolates the combustion gases from the prevailing winds. The o h cowl is the recommend cowl for blow backs in a fire place.

How the h cowl chimney terminal works. In order to comply with regulations h cowls for gas come factory fitted with mesh birdguard inserts. An h cowl can be fitted to a round flue or pot with internal diameters between 100mm to 304mm. 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.

Now only from 124 95 designed to promote positive updraughts and prevent foreign bodies from entering chimney the oh cowl also prevent rain ingress. Manufacturer distributor of chimney cowls and chimney flues nationwide. Normal price from 149 95. This causes the wind to flow around the cowl which actually causes an increase in chimney draft.

O h cowl for chimney clay pots. This cowl is manufactured in stainless steel grade 316 and is suitable for 200mm diameter pipes and ducts. The h cowl is made from stainless steel recommended for solid fuels including coal wood and oil. The proprietors will accept no responsibility for damage caused to o h pots or cowls by chimney fires frost faulty handling or erection tempest nor damage to property or injury to persons resulting therefrom including thermal shock damage to their pots erected on short flues serving wood burning appliances where the practice of boosting.

Can any one confirm please. The 155mm 6 128mm 5 and 100mm 4 sizes are for flue pipes only not brick stacks unless lined. The oh cowl is suitable for use on most standard conventional clay chimney pots with an 8 inch internal diameter. Is simply slipped into the flue pipe or chimney pot and the joint made airtight.

All i see him doing is 2 hour shifts. This cowl is strap fitted and hand made from 316 stainless steel and is suitable for. In normal or still air weather conditions the hot gases and smoke pass up the chimney and exit out of the top of both o of the vertical tubes.