Boiler Advice & Troubleshooting Articles
Expert boiler advice, common faults, pressure issues, noises & heating guidance from Blue Flame engineers.
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Low Water Pressure Problems
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Boiler Pressure Too Low – Causes & Fixes
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How to Repressurise a Boiler Safely
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Boiler Pressure Keeps Dropping
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Is Low Boiler Pressure Dangerous?
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When to Call a Gas Safe Engineer
View Low Pressure Guide →
Boiler Noise
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Banging Boiler Noise – Causes & Fixes
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Knocking vs Banging Boiler Noise
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Kettling Boiler Noise Explained
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Gurgling Boiler Noise & Air in the System
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Humming Boiler Noise – Pumps, Fans & Electrics
View Boiler Noise Guide →
Boiler Leaks & Water Issues
- Boiler Leaking Water – Common Causes
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Pressure Relief Valve Discharging Water
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Leaking Radiators & Pipework
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Condensate Pipe Leaks Explained
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What to Do If Your Boiler Is Leaking
Boiler Not Working/Wont Fire
- Boiler Not Firing – Common Reasons
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No Heating or Hot Water – What to Check
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Boiler Keeps Switching Off
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Frozen Condensate Pipe Symptoms
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When a Boiler Repair Is Required
Boiler Fault Codes & Error Messages
- Boiler Fault Codes Explained
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Worcester Bosch Fault Codes
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Vaillant Boiler Fault Codes
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Baxi Boiler Fault Codes
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Ideal Boiler Fault Codes
View Boiler Fault Code Guide →