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The UV bulb will operate for an average output of 10,000 hours. To replace UV bulb contact 1-800-477-0457
or consumerrelations@kaz.com.
CHANGING THE UV BULB
The filter should be changed every 1-3 months depending on your water quality. Keep in mind, depending
on your water quality, mineral deposits can still clog or discolor the filter, affecting it’s life and that of the
humidifier.
It is recommended you change your filter in the bathroom or kitchen. Keep in mind your filter may be
damp depending on your last usage.
To change the filter:
Step 2 Step 3
Uses replacement filter
HAC-504 or HAC-
504AW.
Turn off and unplug
your humidifier.
Remove the water tank
and carefully set aside.
Remove filter holding
basket and discard old
filter.
Step 1 Step 2 Step 3
Turn off and unplug
your humidifier.
Remove the water tank
and carefully set aside.
Press on the button located on the side of the UV
bulb. Carefully use your other hand to pull the UV
cartridge away from the unit.
Step 5 Step 6 Step 7
Soak new filter in cool
water.
Do not squeeze out.
Insert new filter into
holding basket and
place filter holding
basket back in unit.
Replace the water tank.
NOTE: It is recommended that all maintenance be done in the kitchen or bathroom on a water
resistant surface. Remove water tank from unit before moving.
CHANGING YOUR FILTER
Step 4Step 1
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