Recent content by nhandojo

  1. nhandojo

    Rinnai I-series tankless combi intermittent E430

    Yes, I have the manual and am well aware of the steps the outlined there. The original installer agreed to come over on Tuesday and have a look, hopefully we can get to the bottom of this then.
  2. nhandojo

    Rinnai I-series tankless combi intermittent E430

    Thanks for the insight, fitter30. I did check the expansion tank, and it is not waterlogged, though I haven't check its bladder precharge pressure with the tank isolated yet. Need to get a hose to be able to drain the tank without spraying water all over the place. I suppose the only other...
  3. 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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