This third part of the seven part series sanitizes the storage tank for 10 minutes and then sanitizes the ice line to the refrigerator for 10 minutes.
Sanitizing the storage tank and ice line is often not done because they are both located after the RO membrane. It is assumed that contamination of the system could not progress beyond the RO membrane. A faulty water seal or an imperfection (hole) in the RO membrane could allow contamination into the storage tank and into the ice line to the refrigerator. Contamination is much less likely if the membrane is replaced within eighteen months. The RO membrane water seals will remain soft and pliable for eighteen months preventing any leakage and the RO membrane should not develop any holes in the first eighteen months.
RO filter disinfection instructions:
- Turn on the storage tank ball valve.
- Turn on the feed water supply valve to the RO filter.
- Wait for the storage tank to fill with bleach water.
- After the storage tank has filled with bleach water, turn off the storage tank ball valve.
- Turn off the feed water supply valve to the RO filter.
- Allow the bleach to disinfect for 10 minutes.
- Disconnect the ice line from the back of the refrigerator.
- Connect an inline ball valve to the refrigerator end of the ice line.
- Turn off the inline ball valve.
- Turn on the storage tank ball valve.
- Turn on the inline ball valve at the refrigerator end of the ice line.
- Run water into a bucket until bleach is smelled, then turn off the inline ball valve.
- Allow the bleach to disinfect for 10 minutes.
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