MoreWellie
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- Messages
- 1,768
- Location
- Bedfordshire, UK
I have been investigating our bathroom extractor because of condensation issues and found there is a backdraft flap on the external vent AND another on the xpelair (cmf171) fan itself
both move freely but it seems to me that I really only need one and am leaning towards removing the one on the fan to let things vent more freely
I cannot see anything to say don't have two or two is better so what say you?
both move freely but it seems to me that I really only need one and am leaning towards removing the one on the fan to let things vent more freely
I cannot see anything to say don't have two or two is better so what say you?