Rinnai E110CN Installation & Servicing Instructions Manual page 89

16.4 Insufficient quantity of hot water
insufficient quantity of hot water
hot and cold water
connection to the boiler
mixed up
check left = hot, right = cold
incorrect flow reducing
valve
check for the type and for contamination, if
necessary replace and/or clean.
in the absence of
positive results
check for lime scale
lime scale in the plate
heat exchanger
if necessary descale or replace
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