Water Leaking from Underneath a Sub-Zero

Core Issue:

  • Why is water leaking from underneath a Sub-Zero?
  • Why would water leak from the bottom of a Sub-Zero?
  • What would leak water below a Sub-Zero?

Steps to Verify Issue:

  1. If the amount of water is greater than a pint it is likely from the water valve on the product or the home plumbing connections to the unit.
  2. Locate the water supply shut-off valve and turn the water supply off, see also, Water Line Shut Off Valve Location.
  3. Remove the kickplate.
  4. Locate the home water supply connection to the unit.
  5. If the water is leaking from the home plumbing connections, contact a local plumber.
  6. If water leaks from the water valve on the product, the water valve may need replacement.
  7. If water leaks from the drain pan area, the pan may be missing, cracked or broken, Replace the Drain Pan if needed.
  8. If water is overflowing from the drain pan, verify it is properly installed and level.
  9. If water leak a standing puddle or a solid stream or flow of water, it may originate from inside the refrigerator or freezer section, see Water Leaking From Sub-Zero for suggestions.
Drain pans on the following units are not accessible:
  • 700 Series
  • Integrated Series
  • Wine Storage Units
  • Undercounter Series
See also, Sub-Zero Drain Pan Removal.


Contact a Factory Certified Parts Distributor to order parts. If these steps do not resolve the issue, no further troubleshooting advice is available. Contact Factory Certified Service to schedule an appointment for repair.

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