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home Fix label Heating label_important Home Heating Systems category EcoTech

EcoTech 837 pressure goes into red when heating/hot water is used?

and pump is making a strange noise
chris, September 2010
home Fix label Heating label_important Home Heating Systems category EcoTechdone
Expansion vessel needs re-charging/replacing.
I have this self same boiler and the vessel seems to be the notorius weak point.

Carefree, September 2010
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