HSE guidance confirms that POU filters should be used at all outlets serving immunocompromised residents, changed at the manufacturer-specified interval (typically 3062 days), and logged in the L8 record.
Why this matters
Using an expired POU filter provides false reassurance and can actively concentrate contamination. The filter change date must appear in your L8 water hygiene log.
What to do
- 1Map all outlets serving immunocompromised residents and confirm they have in-date POU filters installed.
- 2Set a calendar reminder for filter changes at the manufacturer-specified interval log each change with date and batch number.
- 3Include POU filter status in your quarterly L8 review meeting.
Primary source
HSE Point of Use Water Filters in Healthcare
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