vaillant ecomax 828/2e

Mrgvd · 17 Nov 2009

hi all my 828 runs ok on heating, but on hot water it fires on low, up to high fire then off then starts again

graham

mrgas · 17 Nov 2009

Sounds like it could be a blocked plate heat exchanger.

Mrgvd · 17 Nov 2009

thats what ive been told seams strange though temp on boiler reachers 89 then drops back to 79 then boiler comes back on

kevplumb · 18 Nov 2009

mrgas said:
Sounds like it could be a blocked plate heat exchanger.

seconded

Mrgvd · 18 Nov 2009

looks like ill go down that road then thanks to you all

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vaillant ecomax 828/2e

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