Pond pump speed control
You can restrict the outflow side of the pump, but not the intake or you
will burn out your pump prematurely - I use a "ball valve" to reduce the
waterflow on my submersible pump on the line to my filter
Gale :~)
"Tim Downie" wrote in message
...
Is is possible to use a speed controller (like a light dimmer) with a
small
pond pump?
I have a Bermuda 3000 (3000l/hr) submersible pump that's really a bit more
powerful than I need. The motor has a solid rotor that appears to be made
of a ferrite like material.
I know that speed controllers can cause overheating problems with some
motors but given that it's underwater with water bathing the rotor, I
don't
imagine this would be a problem in this case.
Tim
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