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Author name: connor

Worcester Bosch E9 Error Code: Causes, Fixes & When to Call an Engineer

Heating cut out and your Worcester Bosch is showing E9? The boiler hasn’t broken down — it’s done exactly what it’s designed to do. E9 means the safety temperature limiter has tripped because water temperature inside the central heating flow hit or exceeded the safe operating limit of 105°C. The boiler shuts itself down at that

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