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It’s that time of year again – households will be turning the heating back on as summer is now a distant memory and the temperatures are beginning to drop, especially in the evenings. But if you notice unusual sounds coming from your boiler over the next few months, you probably won’t be alone. It comes as new research has revealed the most common boiler sounds households face.

However, if there’s a whistling, banging or even an alarm going off, don’t panic as we have some expert advice from Andy Kerr, founder and CEO at BOXT . Below, the boiler specialist has outlined the issues associated with these noises. Whistling, hissing or high-pitched noise (sounds like a kettle boiling) One cause of a noisy boiler could be kettling, which happens when the flow of water through the boiler slows down, causing the water to be overheated and reach boiling point; this is when you can hear a kettling noise.



A lot of the time this can be a result of circulatory issues which means the water isn't being pumped or moving around the system effectively. This could point towards a faulty pump and or central heating system issues. Kettling can be a serious problem that should be looked at by a Gas Safe engineer, but common causes include: Limescale build-up A leaking boiler or system with the incorrect amount of water in it A faulty thermostat, causing the boiler to overheat Faulty pump Five Ways to Stay Warm Without Central Heating Knocking If you're hearing a clicking or tapping noise.

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