Toaster79
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yeah i was scoping them. they got a controller with steps.... 1,2,3 ive got a smart contoller..... the last 1 i ordered with 2 speeds didnt work with it.
ive seen the same 1s for double the price too.... wtf with that
I'm keeping my eyes on those as I'm gonna need one myself and the price is the lowest I could find so far. If it's still too loud you can hook a muffler at the output side. They go for about €50 with 160mm flange.
The 2 speed vent has actually 2 separated windings on the stator part and you need to wire it this way over a switch or directly in the box. The controller is probably some variac changing the supplied voltage and those motors don't like that. You'll need a 2 pole switch or 3 pole if you take this one.