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Originally Posted by ca1ore
- so volute and impeller design is absolutely part of the efficiency equation..
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One of the main points I have been pushing.
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one should be comparing to pumps designed to perform similar functions
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We are talking about basement pumps, and wattage used for actual context.
I have my sump set up high as possible to lower wattage used no matter which pump.
When comparing the two pumps the main advantage is the adjustability of flow of the DC. I think some of the small AC pumps may be competitive but reliability drops off when we get to light weight ceramic shaft impellers.
I think 55W at 600 ish gph at 9' is going to be hard to beat.