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Mend Circuit Water Flow

this is what light sequence means?

faulty primary circuit (no water or absence of flow)" does anyone know what this is

linda
June 2010
Heating, Home Heating SystemsCircuit Water Flow
Probably a central heating and hot water boiler - best to call a qualified engineer. From what you say you have either no water or an absence of flow.

Good luck...

Peccavi
June 2010

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Light Sequence Error: Faulty Primary Circuit