Warm water ablution systems are warm, tepid or mixed water
systems that are used for creating safe showering water.
Typically, to ensure a safe temperature for showering in
hospitals, nursing homes, aged hostels, retirement villages
and other such places, they provide water at 45°C at the hot
or heated water outlet or usage point.
However, 43-5°C water is a perfect temperature for
Legionnaire's disease (Legionella pneumophila) to grow. For
example, in cold water the bacteria cannot reproduce but as
the water gets warmer it can quickly grow to dangerous levels
of more than 1000 per ml. Health authorities recommend less
than 10 per ml as being achievable and safe.
How do you do it?
Simply install a
tried and proven UVTA LC
(WWS) series unit (with NSW Health Department PDA 088 approval
number) into the warm water loop. The unit is not affected by
operating with a 45°C water temperature and can also operate
under static water flow conditions.
Compare this with
non-UVTA quartz tube UV systems of
yesteryear, which do not work well (if at all), with 45°C
water and will not work if the water flow is static.
|
