AZ Guy Posted December 26, 2020 Report Share Posted December 26, 2020 Belated Merry Christmas! Newbie here replacing an old single speed pentair pump with a new variable speed model and I want to make sure I get the "right" size. I've read conflicting information about not buying a too powerful motor. I certainly don't want to overspend if I don't have to. Also it's near impossible for me to calculate the head based on what I've read on the information I need to do so. Best I have to go off of is the existing pump model I'm replacing. It's a 1.5 HP, 3450 RPM, 230V Pentair (7-177451-03 / E44549). My in-ground pool is 21,000 gallons as best I can calculate with 2" pipes coming in and out of pump. Any advice on what approach to take in getting a "right" sized variable speed pump replacement would be very much appreciated. Thank you! Jason Quote Link to comment Share on other sites More sharing options...
Atone Posted December 30, 2020 Report Share Posted December 30, 2020 Need replace as well. Quote Link to comment Share on other sites More sharing options...
ePoolSupply Posted January 26, 2021 Report Share Posted January 26, 2021 Hi Jason, The Pentair SuperFlo VS 1.5HP Variable Speed Pool Pump (SKU 342001) is the same HP as the single-speed pump you are looking to replace. It's compatible with 115/230V with no need to upgrade existing wires. More specs are available here: https://www.epoolsupply.com/products/pentair-superflo-vs-1-5hp-variable-speed-pool-pump-342001 Our team is also happy to answer any questions you have about finding the right size pump for your pool, feel free to contact us anytime. Quote Link to comment Share on other sites More sharing options...
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