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Authorized services or experts may sometimes need to refer Rinnai aftersales, heating production
or heating R&D departments. Modifying any kind of setting about the gas valve neither than the so
called personnel will result in a possible case of combustion loss (fault code 128: Loss of flame
during operation). Do not
valve. System malfunction or any error emerging from personal modifications will carry your
Rev: RINNAI Service manual (English)
Date:14/05/2019
64
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