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ideal isarhe24 dhw works ch doesnt ?

i turn boiler off at night &back on a.m thermo set to manual. pressure between 2&3
danny c, February 2011
thanks carefree. display shows 0 then d & burner indicator when tap used.as pressure gauge was above 3 i drained system down till gauge read 1 and closed valve. 10 minutes later gauge was back up 3

danny c, February 2011
Need to know the letter showing up in the display, not enough information given.

Carefree, February 2011
link Click here to see other fixes for Ideal IsarHE24.