Maintenance Guides / Plumbing & Water

Test Walk-In Tub Door Seal & Pump

Difficulty: easyTime: 20 mins

Why it matters

Failed door seals allow slow water leaks into subfloor (causing $2000–5000+ rot damage). Pump failures leave water undrainable in the tub. Annual testing catches failures before they become catastrophic.

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How to do it

  • 1

    Ensure the tub is empty and dry; close the door and inspect the rubber gasket around the perimeter.

  • 2

    Look for cracks, hardened areas, or visible gaps; press on the gasket—it should be flexible, not brittle.

  • 3

    Fill the tub to 6 inches of water; close the door and observe from outside for 5 minutes.

  • 4

    If water is seeping from the door, the gasket has failed and requires replacement ($200–400 + labor).

  • 5

    Open the drain valve and allow the tub to empty; confirm water drains within 2–3 minutes.

  • 6

    If draining is slow (>5 minutes), inspect the drain hose for kinks or blockages; clear if needed.