6.8.15 Oil – flue pipes
Flue pipes shall safely connect an appliance to a chimney.
Flue pipes should:
- have a free area which is at least the same size as the outlet of the appliance
- be vertical where possible, or no more than 45° from vertical; a horizontal section, less than 150mm long, may be used to connect a back outlet appliance to a flue.
Last updated: 2nd January 2024