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Mend Ariston Eurocombi SX20 Radiators Plumbing Heating

why are radiators getting hot when in hot water mode ?

i have a ariston eurocombi sx20 when having shower the nearest radiators get hot as well what may be the cause ?
Could it be the diverter valve is on its way out ?

ash
June 2008
AristonAriston Eurocombi SX20D.I.Y, PlumbingRadiators Plumbing Heating
Diverter valve buddy....poss change diaphram inside, not whole assy.£20-£30 quid+labour

Lloydy
July 2008
its a combi boiler, not a system boiler

sonray heating
June 2008
Yes I think so - this is usually a sign of a diverter valve sticking. With luck you'll just need a new power head that contains the stepper motor.

John
June 2008

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Ariston Eurocombi SX20: Radiators Heating in Shower Mode