No, a standard sump pump is not designed to run continuously for extended periods. While running continuously for a few hours during an active severe rainstorm is normal, a pump running nonstop for days indicates either heavy groundwater flooding exceeding its capacity, a stuck float switch, or a faulty check valve. Running continuously without a break will rapidly overheat the motor, wear out bearings, and lead to complete pump burnout. Verification: Check if water is actually being pumped out or if the pump is trapped cycling on a stuck switch.
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