Why do sump pumps fail?

Related questions

1. What is the difference between a sump pump and an ejector pump?
2. What is an ejector?
3. How does ejector pump work?
4. Can you hear sump pump running?
5. How often should you clean your sump pump?
6. What is the cost of installing a sump pump?
7. Should I hear my sump pump?
8. What is Annex 2 Marpol?
9. How does a sewer ejector pump work?
10. How far can a sewage ejector pump pump?

Tags

1. #against
2. #lodging
3. #failure
4. #common
5. #primarily
6. #inside
7. #problem
8. #shifts
9. #occurs
10. #switch
11. #basin
12. #stuck
13. #itself
14. #causes
15. #operates
16. #mechanical
17. #float
18. #causing
19. #ineffective
20. #become