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Mend Ariston 23MFFI Heating Water Temperature Shower

how can i fix my Ariston microgenus 23mffi?

When having a shower the water temperature is good then intermittently turns cold for maybe 10 seconds then returns to normal, worse when weather cold.

Jim Dempster
December 2011
AristonAriston 23MFFIHeating, Home Heating SystemsHeating Water Temperature Shower
Its not the shower..it happened to me with this boiler. It started leaking badly too and my plumber changed the pcb. solved the problem.

Bea
September 2012
its the shower not the boiler

b
December 2011

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Ariston 23MFFI Shower Cold Water Fix