H Cowl For Push System
 
A (mm)
B (mm)
C (mm)
D (mm)
600
450
ø202
ø150
 
Dimensions are approximate and are subject to change without prior notice. 
 
A H cowl is one of the best preforming anti down draught chimney cowl. H Cowls are suitable for most conventional clay chimney pots with an 8 inch (200mm) internal and 91/2 inch (240mm) external diameter. H Cowl is designed to prevent foreign bodies entering chimneys, to increase updraught and to prevent rain entering the chimney.
 
 Promote positive updraught
 Fits most conventional chimney pots
 Use on chimneys in downdraught situations
 Durable construction, quick and simple to install
 Prevents rain ingress.