Just trying to get a fix on what parts I need.
lets say I buy a 125mm extractor fan.
This will be fitted internally.
Externally I will fit a gravity flap
How critical are the dimensions of the flap unit as I am looking at one
that has an overall size of 190 x 260 mm with the flappy part 150 x 220
so this would be larger than the extractor fan exhaust outlet.
Also do I need to connect the extractor outlet to the flap unit with
ducting tubing the distance being approx 220mm
On Monday, August 31, 2015 at 9:06:20 PM UTC+1, ss wrote:
I'd connect the two with solid rather than flexible pipe if possible. Flexi
ble pipe plays merry hell with the extraction performance.
Many years ago a 'qualified' kitchen fitter ran the cooker extractor fan in
to the cavity with the vain hope that the adjacent vent would cope. It didn
't, with the result that all cooking smells were conveyed to my office on t
he opposite side of the house. I could never understand why they were only
apparent in that room rather than elsewhere.
Whole shebang was replaced with a Miele unit with a 150mm outlet which I to
ok care to mate with plastic drainage pipe of the right dimension. All kitc
hen smells are now well and truly under control.
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