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Ermi,

You don't need one, just run your hands over the pump and you know which way it's going, like a good doctor, be as useful to you as an ejector seat in a helicopter

I don't need a lot of things but it's free and wanted one! Normally take out screw and look. Sometimes jammed pump gets hot and humms but it's stationary.
 
I don't need a lot of things but it's free and wanted one! Normally take out screw and look. Sometimes jammed pump gets hot and humms but it's stationary.

Usually get bloody hot as well, maybe free electronic thermometers would be nice hey if any going
 
Ermi,

Wilo use put a rotation unit in the end of their commercial 3 phase pumps are they still doing it, get the phase rotation right

[video=youtube;NO8aje1QC38]http://www.youtube.com/watch?v=NO8aje1QC38[/video]
 
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