vailliant 828e turbomax problem

bobby2183 · 9 Feb 2009

hi i have a 828e turbomax, which has been making a loud noise but only when the heating is on. I have checked for air in the rads to no avail. but when i open the tap for hot water the noise goes away but then comes back after closing the tap. The noise is a loud airing noise

thanks for your help

bellairaphon · 9 Feb 2009

sounds like the diverter valves is starting to stick

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vailliant 828e turbomax problem

bobby2183

bellairaphon

DIYnot Local

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