![Ispring UVF55FS Installation And Maintenance Manual Download Page 7](http://html1.mh-extra.com/html/ispring/uvf55fs/uvf55fs_installation-and-maintenance-manual_2094042007.webp)
Step 5
–Insert the quartz tube into the Filter chamber.
Step6
–Install O-ring onto the closed end of the quartz tube.
Step7
–Hand-screw closed end nut on the filter
chamber(closed end of quartz tube). To protect the O-ring,
do not over tighten.
Step8
–Hand-screw open end nut on the filter chamber
(open end of quartz tube). To protect the O-ring, do not
over tighten.
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