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Pond pump speed control
In uk.d-i-y Benign Vanilla wrote:
"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. I'd suggest the following... 1. Get a new smaller pump, and sell this one on eBay. Your electric bill will thank you. Pumps may use less than sticker ratings. I have several 600W submersible pumps, that are (IIRC) 3000l/sec, from lidl. I stuck a meter on them, and they come out at around 360W. |
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