Keep in mind that the pump mustn’t be allowed to run dry despite featuring a thermal overload, the motor will still have a significantly shorter lifespan if it’s only being cooled by forced shutdowns whenever it overheats. You don’t need to call a plumber to get it set up unless you don’t want to get your hands a bit wet, as long as you already have some PVC pipe handy and a day to work at your own pace. Installation was rather straightforward you simply place the pump in your sump pit, hook it up to your discharge pipe, set your float, and plug it in. Our Short and Long Term Experiences Installing and Using the Liberty Pumps 257 Sump Pump Upgrading to the Liberty Pumps 287, which features a max pumping speed of 4,020 GPH and a max head of 37 feet would close the speed gap and eliminate the pumping height advantage of the CDU980E while continuing to offer the significant reliability boost of the magnetic float switch. The Wayne CDU980E is faster at 4,600 GPH and has a higher max pumping height of 26 feet, but is at least partially constructed of plastic and not fully housed in cast iron like the the 257. The Zoeller M63 and M57 top out at 2,580 GPH and have shut off heights of 20 and 19 feet respectively, which are both bested by the 257 and its 3,000 GPH max pumping speed and 23 foot max pumping height. What this means is that the 257 is probably the most reliable electricity-based sump pump you can buy under $200 today.īeside the design difference, the Liberty Pumps 257 is competitive in its water removal abilities. This eliminates a switch failure point due to water entry or general mechanical failure. Instead of the typical mechanical float switch most commonly found in electric sump pumps, the Liberty 2xx series uses a magnetic reed switch that’s less failure prone than a mechanical setup since no rubber gaskets are needed to keep the switch arm sealed. The most significant difference between the Liberty Pumps 257 and similarly-priced Zoeller and Wayne pumps like the M63, M57, M53, and CDU980E is the presence of a magnetically-operated vertical float VMF switch in the 257. How Does the Liberty Pumps 257 Compare to the Zoeller M63, Zoeller M57, Zoeller M53, and Wayne CDU980E Sump Pumps? Peak water removal is 3,000 GPH at 0 feet, dropping to 2,220 GPH at 10 feet, 840 GPH at 20 feet, 300 GPH at 22 feet, and shut off at max head at 23 feet. It includes a 1-1/2 inch NPT discharge and can be installed in sump pits as small as 10 inches in diameter. It features a vertical magnetic float switch (VMF) the switch is not adjustable and turns on at 7 inches and turns off at 3-1/2 inches. It includes a quick-disconnect 10 foot power cord that allows the cord to be replaced without breaking motor seals. The motor includes a thermal overload protection that activates at 221F. It can handle solids up to 1/2 inch in diameter and liquids up to 140F. The 257 does not include a battery backup. It is 9.6 inches in diameter, 10.5 inches tall, and weighs 20 pounds. Capable of pumping up to 3,000 gallons per hour (50 US gallons per minute), it is made of cast iron and is backed by a 3 year warranty from Liberty Pumps. It’s powered by a 1/3rd horsepower electric motor that runs at 115V, draws 5.2 amps, and is thermally protected. The Liberty Pumps 257sump pump is an automatic submersible sump and effluent pump. Key Features of the Liberty Pumps 257 Sump Pump (60 Second Summary) If you’re ready to buy, you can buy it here. It’s also one of the most reliable sump pumps you can buy that runs on AC power. It’s the lower-end version of the Liberty Pumps 287 and delivers many of the same features for significantly less money. However, if you’re looking for even more insurance against future maintenance and billable hours from your local plumber, you’ll also want to consider the Liberty Pumps 257 Automatic Submersible Sump Pump with VMF Switch. Any of these pumps can easily give a decade of reliability. But if you’ve got less to spend and still want something reliable, what are your choices?Īmong AC pumps under the $200 mark, some of the best sump pumps currently sold include the Wayne CDU980E, the Zoeller M63, Zoeller M57, and Zoeller M53. If you’ve got an unlimited budget,the best AC sump pump on the market is the Zoeller M267 while the best water-based pump is the Basepump CB1500. But if you want something you’re not going to have to return or replace within a few months to a year, it’s worth spending more on some quality construction and solid design. When shopping for a sump pump on a budget, it’s tempting to go with whatever’s on sale at the local box store.
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