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Boiler Advice

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heating engineer fixing boiler

Heating Engineer or Plumber – What’s The Difference & Which Do You Need To Call?

When issues arise in your home or workplace that require fixing or replacement, it’s important to know which tradesperson to call. With various tasks often falling under the purview of heating engineers and plumbers, understanding the difference between a plumber and a gas engineer becomes crucial.  In this blog, we will explore the distinctions between

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Worcester Bosch U9 Fault Code on Boiler Meaning, Causes & How to Fix (E9)

Quick answer: The U9 fault code means your Worcester Bosch boiler has overheated, reaching roughly 109°C, which is about 9°C above its 100°C safety threshold. On many models the display counts down from U9 to U0 as a forced cool-down period before it will let you reset. Overheating on a Worcester is nearly always a

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