Hi,
I had a Cooke & Lewis Kitchen Extractor (CTCHS20 - 90cm) hood installed a couple of weeks ago - the flu was put through the flat roof with a 4" flexible pipe which was fitted with round 4" round vent top outlet. Noticed the extraction flow rate is quite poor and saw drops of moisture and oil also dropping back after not so heavy cooking - issue!!!.
After installer had left - I noticed that 4" flexi pipe was used although the duct vent size is 6". Therefore my query is:-
1. Should 6"...
Kitchen Extractor Duct Size and Vent Type
I had a Cooke & Lewis Kitchen Extractor (CTCHS20 - 90cm) hood installed a couple of weeks ago - the flu was put through the flat roof with a 4" flexible pipe which was fitted with round 4" round vent top outlet. Noticed the extraction flow rate is quite poor and saw drops of moisture and oil also dropping back after not so heavy cooking - issue!!!.
After installer had left - I noticed that 4" flexi pipe was used although the duct vent size is 6". Therefore my query is:-
1. Should 6"...
Kitchen Extractor Duct Size and Vent Type