My 8 year old Pentair Challenger 1 HP Full Rated pump #345204 is now very noisy, and I am thinking it is time to replace it. Pentair makes what looks to be a model with comparable specs that is called 'Energy Efficienct' #345205, as opposed to standard.
The energy efficient model is also about $50 cheaper. Does anyone have any experience with this EE model? I expected it to cost more. Is it a good pump compared to the standard? Thanks.
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