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I did ring Envirovent and the closest they sell to what I want is the MEV 160. It can switch to high speed when the light is on and switches back to slow speed when the light is off. It has a built in humidistat so the slow speed actually varies from low to high depending on the humidity. It is...

I'd come across the Envirovent range but they said (as per your link) "intermittent OR continuous operation" which makes me think they can do either mode but not both. The other link (dmev) isn't inline as the fan unit would be installed in a wall usually. Thank you for taking the time to do a...

Agreed. Continuous extraction is what I'm trying for but one that will boost the speed when the light is on and a timed delay so it runs in boost mode for 15 mins afterwards. The faulty inline extractor is already a unit with timer so the wiring should be the same (permanent live, permanent...

Thanks. I've thought about a PiV and the two main problems seem to to be: It seems to be mostly a matter of luck where the air gets vented to and Since it pushes air in from the loft, which is cold in winter, you are left with either a cold landing or get one that uses an electric heater to warm...

Hi, The downlighters don't have any obvious gaps. The idea with the firehoods is to create space above the downlighters so I can add (the currently missing) insulation to the loft above the bathroom. Is that reasonable?

Hi All, Thanks to everyone for reading and especially trying to help. I'll try and cover the points raised below but please excuse any quoting issues! Two roofers have been unable to stop "the leak" with the last coming back out and doing much more inspecting/dismantling and being confident it...

Hi, Thanks for your reply but I can't see any of those stating continuous trickle running unless I'm missing something? The full story. The tenant reported leaking into a bedroom. After 2 roofers did work and the leak continued, the last roofer was confident it wasn't a leak and thought it was...

Hi all, First post! I recently acquired a rental property which has damp. One cause is that the bathroom extractor isn't working. I'm going to get an electrician to replace it but I thought I'd try and get one that instead of turning off simply reduced to speed to really low. I can see these...