|     Caruso Docha Popania |  Purchase of a surface pump for pumping water from a great depth. If the depth of the well is more than nine meters, only a submersible device will cope with the task.An attempt to work with chemical liquids. Most household appliances are designed only for pumping water. Pumps made of special durable materials are used to work in an aggressive environment.
 Choosing a weaker pump to save on electricity. A 1000-watt pump will perform the work in an hour, a 400-watt pump - in 2.5 hours. The electricity consumption will be the same. It is worth considering the depreciation of the engine: the less time the engine runs, the longer it will last.
 Choosing a more powerful motor pump than is required for operation. For pumping water from a shallow basement and irrigation of a small vegetable garden, a device with a capacity of up to 20,000 l/h will be enough. If you buy a device with a higher power, then a) you will overpay for the car itself, b) during operation you will pay more for fuel and maintenance.
 Incorrect reading of the characteristics. Manufacturers indicate the maximum indicators calculated on the basis of work in the so-called "zero points", ideal conditions. Example: a motor pump with a power of 400 W, a capacity of 7000 l / s and a lifting height of 6 m. The task is to raise water from a well with a depth of 3 meters and take it to a tank located at a distance of 30 meters. Bottom line: the pump will not cope with this task due to the losses that will occur when lifting and pumping water.
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