PHCC Pro Series Pumps (with PSC motor technology) provide a new way to evaluate sump pump energy efficiency and performance. It’s called “Gallons per Watt/Hour” or G/Wh. It’s borrowed from “Title 20,” California’s energy efficiency standards that cover residential pool pumps. G/Wh is how pool pumps are evaluated and the formula easily applies to sump and sewage pumps.
Simply stated G/Wh links efficiency and performance by illustrating how many gallons of water are pumped using one (1) watt of electricity. To calculate G/Wh, take the gallons per hour (GPH) pumped, divided by the energy the sump pump consumes per hour (Wh). GPH/Wh=G/Wh
For example, the PHCC Pro Series ST1033 1/3HP sump pump has a G/Wh of 6.075. In other words, the ST1033 pumps 6.075 gallons of water per watt-hour used. To get to that number - The ST1033 pumps 2770 gallons of water @ 10’ lift and uses 3.8 amps @ 120 volts (3.8A x 120 V) = 456 Watts of electricity. 2770 gallons divided by 456 watts is 6.075 G.Wh. In contrast, the G/Wh average of competing sump pumps is 2.23. That’s a big difference – the ST1033 pumps almost 3X more water using the same amount of electricity!
For more information on G/Wh, visitwww.stopflooding.com.
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