Water tank pump
From Greenlivingpedia, a wiki on green living, building and energy
Water tank pumps are quite efficient and don't use much power to operate.
 Example 1 - water pump for all household water requirements
For example, sample measurements from a pump operating for the Surrey Hills house supplying all water needs in August 2008 were:
 Example 2 - water pump trial for garden watering
This trial was conducted with a water pump used to water a garden, also in Surrey Hills, Victoria. The pump was run for 20 minutes, the volume pumped and the electric energy used were both measured.
|Volume pumped - litres||608|
|Energy used - kWh||0.35|
|Water usage per day (2 person household) - litres||122|
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