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Replacement Cooker Hood and Diameter of Ducting

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Postby jgoldman » Tue Aug 13, 2013 10:35 am

My cooker hood needs replacing and the current ducting has a diameter of about 110 mm (external measurement). However, the usual ducting diameter for cooker hoods seems to be 100, 125 and 150 mm. Am I correct to to take an external measurement and Is it possible to find a reducer or adapter to allow fitting?

Many thanks,
Jeremy
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Postby collectors » Wed Aug 14, 2013 3:52 pm

It sounds like you have either external flexible underground duct or dust extraction hose as this size is a common 110-114mm. Sounds like the builder had some spare.
Remember that Cooker hood duct should be of a fire resistant material for obvious reasons.
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Postby jgoldman » Wed Aug 14, 2013 9:55 pm

Thanks for your comments. The pipe is not flexible. It's solid plastic. How would I know if it's a dust extraction hose? Would this also be flexible?

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Jeremy
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