Chimney rain hat cowls are designed to increase the draft of a narrowboat chimney and prevent backflow, they also provide protection from the rain, preventing direct access down the chimney.
These canal boat chimney cowl rain hats are designed to fit several common marine chimney diameters, the legs of the chimney cover hat are adjustable to suit and simply 'clip' inside the chimney.
A chimney cowl rain hat is designed to increase the draft of a chimney and prevent backflow, they also protect from the rain, stopping it from going down the chimney.
The narrowboat chimney cowls are available in two common sizes (dimensions are approximate), the sizes refer to the diameter of the overall rain hat and not the chimney diameter. The chimney covers come flat-packed with nuts and bolts to attach the legs to the hat.
| BC200A | BC200B | |
| Diameter | 185mm (7 1/4") | 234mm (9 1/4") |
| Colour | Black | |
