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INSTALLATION
27
ANODE
The vitreous enamel lined cylinder of the water heater is only covered by the
Rheem warranty when the total dissolved solids (TDS) content in the water is
less than 2500 mg/L and when the correct colour coded anode is used. If an
incorrect colour coded anode is used in the water heater, any resultant faults
will not be covered by the Rheem warranty. In addition, the use of an incorrect
colour coded anode may shorten the life of the water heater cylinder.
The correct colour coded anode for the water supply being used must be
selected and fitted to the water heater for the Rheem warranty to apply to the
water heater cylinder (refer to “Water Supplies” on page 14 and the Anode
Selection chart on page 15). The black anode is typically fitted as standard.
Total Dissolved Solids
Anode colour code
0 – 40 mg/L
Green
40 – 150 mg/L
Green or Black
150 – 400 mg/L
Black
400 – 600 mg/L
Black or Blue
600 – 2500 mg/L
Blue
2500 mg/L +
Blue (no cylinder warranty)
If the water supply has a TDS greater than 150 mg/L and a green anode has
not been changed to a black anode, or if the TDS is greater than 600 mg/L and
the anode has not been changed to a blue anode, there is the possibility the
anode may become overactive and hydrogen gas could accumulate in the top
of the water heater during long periods of no use. In areas where this is likely to
occur, the installer should instruct the householder on how to dissipate the gas
safely (refer to “Caution” on page 15).
SADDLING PIPE WORK
To prevent damage to the cylinder when attaching pipe clips or saddles to the
water heater jacket, we recommend the use of self drilling screws with a
maximum length of 13 mm. Should pre drilling be required, extreme caution
must be observed when penetrating the jacket of the water heater.
Note: If the cylinder is damaged as a result of attaching pipe clips or
saddles to the jacket, any resultant faults will not be covered by the
Rheem warranty.
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