Maintenance Guides / Plumbing & Water

Replace sump pump proactively (8-year lifecycle)

Difficulty: moderateTime: 120 minsEst. Cost: $300 - $800

Why it matters

Sump pumps fail silently after 7–10 years of operation. A failed pump at 2 a.m. during heavy rain results in $10,000–$50,000 in water damage, mold remediation, and foundation repair.

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How to do it

  • 1

    Locate the sump pump in the basement sump pit and note its installation date.

  • 2

    If pump is 8+ years old, purchase a replacement (cast iron preferred for longevity).

  • 3

    Turn off power to the old pump at the breaker.

  • 4

    Disconnect the discharge pipe from the old pump and remove the pump from basin.

  • 5

    Install new pump in basin, ensuring it sits level and intake has proper clearance.

  • 6

    Connect discharge pipe to new pump outlet, sloping toward daylight or storm drain.

  • 7

    Restore power and test pump operation by pouring water into the sump pit.