i-series

  1. Nhandojo

    Rinnai I-series tankless combi intermittent E430

    Hello, I have a fairly new (~8 months old) Rinnai that just recently started throwing E430 (low/high water pressure error). This happens intermittently when there's a demand for DHW or CH. It can be reset and the unit would work again for a few hours and then would error out again when there's...
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