ideal evo he combi

greenmossy67 · 1 Apr 2012

hi can anyone help,
ive got a ideal evo he combi and it keeps fireing up any time of the day with a t on the display for about 5mins heating up the rad's when the heating is off and the room stat is down low, and now it flash's f h3. thanks ron

45yearsagasman · 1 Apr 2012

Preheat on and a dripping hot tap? and a diverter valve seized are some possibilities.

engineerman · 2 Apr 2012

dhw thermister needs replacing

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ideal evo he combi

greenmossy67

45yearsagasman

engineerman

DIYnot Local

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