Central Sterile Water Systems

The quality of water is important to the operation of sterile processing equipment. Water can actually be detrimental to washing, disinfection and sterilization equipment, and to the condition and life of surgical instruments, if it does not meet manufacturers’ specifications. Some of the systems that require high purity water include:

• Automated Endoscope Reprocessors (AERs)
• Stills and Steam Disinfection Boilers
• Medical Washers / Disinfectors
• Glassware Washers

Recently AAMI (Association of the Advancement of Medical Instrumentation) published ANSI/AAMI ST108:2023 Water for the Processing of Medical Devices, which replaces the AAMI TIR34 guidelines. The purpose of this standard is to establish quality criteria for various types of water utilized in the processing of medical devices. It also offers guidance on the appropriate times and contexts for the use of each water category. These standards are divided into three segments for medical device reprocessing: utility water, critical water and steam. Critical water is held to a higher level. This water is treated to ensure microorganisms and inorganic and organic material are removed and is used for the final rinse and for producing steam.

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AmeriWater also provides a line of FDA cleared filters for sinks, showers and ice machines, which aid in infection control.