Locating Model Number and Date of Manufacture
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The model number is listed on the top left front of the product and identified as “Rinnai EnergySaver 431” or “Rinnai EnergySaver 556”. |
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The Rating Plate located on the top right side, as facing the unit, includes the complete model number.
The unit Serial Number Plate is located on the bottom right side, as facing the unit.
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