| A pump is a mechanical appliance utilized for | | | | this, a high-density plastic polyethylene pipe is |
| moving gases, or liquids from a lower pressure to | | | | frequently used. |
| a higher pressure. They are utilized for a variety | | | | For optimum use and safety, it is suggested that |
| of purposes, from domestic use to commercial | | | | a pressure tank should not be waterlogged. This |
| operations. Well pumps should generally be sized | | | | will cause the pump to start and stop incessantly |
| by a water-pumping expert, because pump | | | | during a pumping cycle. Moreover, well pumps |
| power utilization can have a substantial effect on | | | | require a lot of energy, and, hence care should be |
| the overall economy of a system. | | | | taken to avoid any damage. |
| Usually, well pumps are chosen on the basis of | | | | Some submersible well pumps are made of |
| the recommended stream rate and friction losses | | | | stainless steel and plastic parts, but most are |
| as well as piping, valving, heat exchange losses, | | | | constructed with brass fittings, contained in a cast |
| and tank pressure. Well pump intake needs to be | | | | brass covering. Plastic and stainless steel pumps |
| mounted sufficiently deep to remain 15 feet or | | | | do not cause a problem with lead leakage. |
| more below the lowest water level. Also, there | | | | However, places using submersible well pumps |
| should be a filtering screen in the piping to a heat | | | | made with brass fittings contain brass alloys, |
| pump to limit particles and the consequent | | | | which might contribute to some amount of lead |
| plugging or erosion of the heat exchanger. If a | | | | contamination. Lead exposure has been linked with |
| well pump is utilized for both domestic and heat | | | | a wide range of risks, including delays in normal |
| pump requirements, then it should be customized | | | | mental and physical growth and impaired learning |
| to satisfy the main requirement and be used with | | | | abilities in young children. Extreme exposures can |
| a storage tank. As far as piping is concerned, it | | | | even cause irreversible brain damage. |
| should be sized to reduce friction losses and for | | | | |