Iphampu yamanzi esebenzisa amandla elanga, njengoba igama liphakamisa, wuhlobo lwephampu yamanzi eguqula amandla elanga neminye imithombo yokukhanya ibe amandla okushayela futhi iqhube i-impeller yepompo yamanzi ukuthi isebenze.Isistimu yepompo yamanzi elanga yenziwe ngephaneli yelanga kanye nephampu yamanzi.Uhlelo lwepompo yamanzi elanga lusetshenziswa kabanzi ekusebenzeni.Kukhona ikakhulukazi lezi zicelo ezilandelayo:

1. Amanzi okuphuza azenzakalelayo emfuyo

2. Ukuvikelwa kwechibi nokusakaza

3. Indawo yokukhempa

4. Ukunisela amapulazi, izingadi, njll

5. Ukujikeleza kwamanzi echibini lokubhukuda, njll

6. Izici zamanzi njengezingadi nemithombo

7. Ukumpompa umthombo ojulile

8. Nikeza amanzi ezindaweni ezikude, emakhaya nasemapulazini

9. Amanzi okuphuza (aphathwe ngamanzi ahlanzekile)

10. Imitholampilo yezokwelapha

11. Amanzi okushisa ngisho nokushisisa phansi

12. Ukuhweba ngezinga elikhulu lokuchelela