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Mend Ariston Microgenus 27 MFFI Gas Valve Hot Water Fault

ariston microgenus fault?

ariston microgenus 27 mffi gas valve vibrating ,only on hot water demand ie full gas pressure.tried new valve and hot water probe.still same,anybody had same problem?

andy arbuckle
December 2010
could be faulty solenoid have you checked working pressure of boiler ?

brian
December 2010

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