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MAINTENANCE
ANODE AND WATER QUALITY
A replaceable metal anode comes installed in a threaded port near the water-jacket fill port on the
back of the unit. The anode dissolves when in contact with the mineral salts and dissolved gases
found in tap water. This helps to protect the liner of the water jacket from corrosion well as well as
scaling and other mineral deposits. When 50% of the anode has eroded away a new anode must be
installed.
Tap water with a hardness of more than 30 parts per million or 1.5 grains per gallon will require
assessment of the anode on a yearly basis. Dissolved gases in tap water used in the water jacket
should never exceed more than 120 parts per million or 7 grains per gallon. The pH of the water
should be between 6.0 and 8.5.
Use distilled water if possible. Never use deionized water.
Anode Installed, Back of Unit
Water Anode
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