hi-flow bathroom fan

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If you're stuck with the 4" hole then the only way is to go with a cetrifugal . Trouble is they are fairly functional looking but more efficient . They can't have it both ways . I went down this road once with a customer in their bathroom / sauna , loads of steam he wanted shifting . We achieved that but he then complained that the all the heat was being drawn out .
My wifes grandad had the same problem as he had a 6' fan in his bathroom. When it failed I took it out and fitted a manrose cfd fan in the loft it doesn't take so much air out but is easily adequate. A kitchen fan will take out up to 225 cubic metres per hour where as the cfd ones only take out 110.

 
My wifes grandad had the same problem as he had a 6' fan in his bathroom. When it failed I took it out and fitted a manrose cfd fan in the loft it doesn't take so much air out but is easily adequate. A kitchen fan will take out up to 225 cubic metres per hour where as the cfd ones only take out 110.
Im not surprised your little fan didnt quite match up to that.! :slap

 
Does that mean you just pee on the floor now? ;) :D Steps, how about suggesting they open the window!
Us southerners use the loo not like you uncouth northerners. (although you can sometimes miss)

:innocent

 
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The fixing holes? Surely a bit of filler and a lick of paint would fix that? (unless fixed through tiles then i concede)

 
I try to spec. in-line duct fans wherever possible - the combination of:

1. Lower noise due to remotte mounting location.

2. No IP issues.

3. Vent is on ceiling, which is where steam goes anyway :)

I know that doesn`t help you albert - must admit that I too like the icon fans - TLC do `em too. Very few wall mount 4" fans that have impressed me much (to paraphrase Shania Twain)

 
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