Sub-Zero Water Line and Valve Specifications


  • What type of material should the water supply line be made of?
  • Should the water supply line be copper, braided stainless steel, PEX tubing, or another type of material?
  • Can a self piercing-water valve be used?
  • Should the unit be plumbed to hot or cold water?
  • Will hooking the unit up to hot water cause damage?


Water supply lines to a Sub-Zero should be 1/4" OD copper, braided stainless steel, or PEX tubing material.

Refer to the product Installation Guide for further installation information.

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