Скачать или смотреть Boiler Short Cycling Explained | Causes, Fixes & When to Call an Engineer (UK)

Is your boiler turning on and off too frequently? This problem is known as boiler short cycling, and it’s a common issue in UK homes that can increase energy bills, reduce efficiency, and shorten the lifespan of your boiler.

In this video, we explain what boiler short cycling is, the most common causes, and the best fixes to get your heating system running smoothly again.

🔄 What is boiler short cycling?

Boiler short cycling happens when a boiler switches on and off repeatedly without completing a full heating cycle. This puts extra strain on components, wastes energy, and can lead to costly breakdowns if left unresolved.

❗ Common causes of boiler short cycling

We cover the most frequent reasons boilers short cycle, including:
• Incorrect boiler size for your property
• Faulty or poorly positioned thermostat
• Low system water pressure
• Blocked heat exchanger or sludge buildup
• Air trapped in radiators
• Pump or flow issues
• Overheating caused by poor circulation

🛠️ How to fix boiler short cycling

Some fixes are simple, while others require a qualified Gas Safe engineer. In the video, we explain:
• When bleeding radiators can help
• How thermostat settings affect cycling
• Why system flushing may be necessary
• When replacing components makes sense
• When a full boiler replacement may be the best option

💷 Why short cycling should never be ignored

Short cycling doesn’t just cause inconvenience—it can:
• Increase gas and electricity bills
• Reduce heating efficiency
• Cause premature boiler failure
• Void warranties if ignored

📅 Preventing boiler short cycling

Learn how regular servicing, correct system balancing, and proper boiler sizing can help prevent short cycling in the future.

If you’re experiencing heating problems or want to protect your boiler investment, this video will help you understand what’s happening and what to do next.

👉 Like, subscribe, and comment if this video helped you diagnose your boiler issue.