What is the most common reason a sump pump fails?

Top Answer: Switch malfunction (60% of 10 votes).
What is the most common reason a sump pump fails?
Power failure
Switch malfunction
Pump overloaded

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Updated on August 03, 2014


Comments From Our Pros

Answer: Switch malfunction
Explanation: I would say the most common issue with sump pumps would be the float switch that tells the pump to turn on when the water reaches a predetermined level and aslo tells the pump when to turn off. Typically an easy fix with ample access to the pump.
SDL Plumbing Inc.
Answer: Switch malfunction
Explanation: Switch failure is the number one cause of pump malfunction because of constant wear and tear. They do offer pumps with none moving floats that will last much longer.
Airtight Design Waterproofing
Answer: Power failure
Explanation: When power cuts out its very common
JD all service plumbing