For hoods with extraction over 500m3/h
3 Metre venting kit
- 100mm venting is suitable for venting cooker hoods and tumble dryers fitted with 100mm outlets where the duct run is short.It is recommended for applications requiring low extraction rates of up to 250m3/h.
- 125mm venting is recommended for air extraction installations involving long duct runs or several bends. It is essential whereextraction rates of 250-500m3/h are required.
- 150mm venting is recommended for high powered extractors with rates of 500m3/h and above.
Using the incorrect size of extraction pipework will increase the noise level and invalidate the