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Mend EcoTech 837 Home Heating Systems

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Mend EcoTech 837 Pressure Red Water Noise

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

and pump is making a strange noise

chris
September 2010
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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Mend Heating, Home Heating Systems
Free repair help for EcoTech 837 home heating systems