tmcb1234 Posted March 27, 2021 Share Posted March 27, 2021 Hi, We have gravity shutters externally on our new build which go from the bathroom extractor fan. Every time I go outside they always seem to be easily opened and are open with very little, if any, wind. I've noticed that the room beneath this vent (the vent goes from bathroom through the partition between first and second floor) gets very cold as a result. Any tips on what to replace it with and/or how to stop the draft into the bedroom below? Link to comment Share on other sites More sharing options...
tonyshouse Posted March 27, 2021 Share Posted March 27, 2021 Positive shutter operated by a solenoid set to open when fan comes on Link to comment Share on other sites More sharing options...
tmcb1234 Posted March 27, 2021 Author Share Posted March 27, 2021 2 minutes ago, tonyshouse said: Positive shutter operated by a solenoid set to open when fan comes on Any particular brands you'd recommend/any links? Link to comment Share on other sites More sharing options...
tonyshouse Posted March 27, 2021 Share Posted March 27, 2021 Typical web search - https://www.extractorfanworld.co.uk/silavent-svc100b-axial-extractor-fan-with-auto-shutters-2515-p.asp Link to comment Share on other sites More sharing options...
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