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2. Gallon per watt-hour - Wikipedia

   en.wikipedia.org/wiki/Gallon_per_watt-hour

   A water pump. The gallon per watt-hour or (G/Wh) is a formula used to test the efficiency of a pool pump or sump pump. California Title 20

3. Sump pump - Wikipedia

   en.wikipedia.org/wiki/Sump_pump

   Gallons per watt-hour is a measure of efficiency in sump pumps. Additionally, sump pumps will typically require an extra burst of power known as additional starting watts to get running. This can be as much as 1.5 times and more than the running watt and amp needs. [2]

4. The Best Sump Pumps for Homeowners Who Aren’t Afraid of a ...

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5. Specific speed - Wikipedia

   en.wikipedia.org/wiki/Specific_speed

   is total head (m) per stage at the point of best efficiency. Note that the units used affect the specific speed value in the above equation and consistent units should be used for comparisons. Pump specific speed can be calculated using British gallons or using Metric units (m 3 /s and metres head), changing the values listed above.

6. Draft (water) - Wikipedia

   en.wikipedia.org/wiki/Draft_(water)

   To reduce drafting friction and obtain a larger flow or higher lift, a larger cross-section of suction hose is employed. For example, using a five-inch (127 mm) hose, a pump that could lift 500 US gallons per minute (30 L/s) up 23 feet (7.0 m) would only be able to lift the same amount of water 12.5 feet (3.8 m) through a 3.5-inch (89 mm) hose.

7. Category:Pumps - Wikipedia

   en.wikipedia.org/wiki/Category:Pumps

   Pages in category "Pumps" ... Gallon per watt-hour; Gas lift; Gasoline pump; Gear pump; ... Sump pump; Szczecin water pumps; T. Thermodynamic pump testing;