Servicing should only be performed by a Qualified Service Agent
23
OPERATION & SERVICE
Heating Element Ratings
There are six “standard” heating element KW ratings used; 3, 6, 9,
12, 15 and 18KW. Heating element flanges are stamped with the part
number, voltage and KW rating - see the illustration to the right.
Heating Element Configurations
The table below shows standard heating element configurations
used. Keep in mind the water heaters covered by this service manual
can be custom ordered with heating element voltage and KW ratings
other than what is shown in this table. Always check the water
heater’s rating label to see how the water heater was configured at the factory.
Service Note: Models at 54 KW and above are not available in 208 single phase (1Ø)
configurations. Also notice that some 208 volt models will contain additional elements.
3 1 - 3,000
6 1 - 6,000
9 1 - 9,000
12 1 - 12,000
15 1 - 15,000
18 1 - 18,000
*18 2 - 9,000
24 2 - 12,000
30 2 - 15,000
36 2 - 18,000
*36 3 - 12,000
45 3 - 15,000
54 3 - 18,000
**60 4 - 15,000
**75 5 - 15,000
**90 5 - 18,000
NUMBER
OF ELEMENTS
AND WATTAGE
* 208 Volt models use one additional element.
** Only Available in 50 gallon models or larger.
STANDARD
KW INPUT
RATINGS
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