'Variable frequency water pump'

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"Built-in variable frequency water pump and use sine wavefrequency  
conversion technology, which make it more stable and quieter":
www.sunsun-china.com/product/aquarium-equipment/out-side-filter/hw-series
-frequency-outside-filter.html
https://zoo-aquos.pl/pl/p/file/1a66bba9627c0423615d430e0772b493/hw-3000.p
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Re: 'Variable frequency water pump'

dyskusyjnych:60982427$0$507$ snipped-for-privacy@news.neostrada.pl...
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A cena jaka?
Bo teoretycznie jak najbardziej mozliwe, maly falownik to raptem  
kilkaset zl i to w drogim detalu.

Z drugiej strony pompy CO maja czesto regulacje obrotow bez falownika  
i jakos dziala.
Cos fi pewnie cierpi, ale co to kogo obchodzi ... dopoki mu  
elektrownia nie liczy :-)

J.



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