Signs You Need a New Boiler
Boilers usually last between 10 and 15 years, but efficiency and reliability start to decline long before total failure. Below are the most common warning signs our engineers at ARA Services Ltd see when a replacement is due.
Common Warning Signs
- Frequent breakdowns: repeated call-outs within a year mean components are wearing out.
- Uneven heating or fluctuating water temperature: heat exchanger or diverter valve may be failing.
- Rising energy bills: older boilers lose efficiency every year.
- Strange noises: banging, whistling, or gurgling often point to scale or circulation problems.
- Yellow pilot flame: incomplete combustion – possible carbon-monoxide risk.
When Replacement Is More Cost-Effective
- The boiler is over 12 years old.
- Spare parts are obsolete or expensive.
- Repair quotes exceed 40 % of the cost of a new unit.
- Your property would benefit from a more efficient system or combi boiler.
Benefits of Upgrading
- Up to 94 % efficiency with an A-rated condensing boiler.
- Reduced fuel consumption and carbon footprint.
- Quieter, more compact designs with smart-control options.
- Long manufacturer warranties – some up to 12 years.
Safety Considerations
A yellow flame, soot marks, or headaches when the boiler runs can indicate carbon-monoxide leakage. Turn the appliance off, ventilate the area, and call a Gas Safe-registered engineer immediately.
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FAQs
How long should a boiler last?
Most modern boilers last around 12–15 years with proper servicing.
Should I repair or replace my boiler?
If it’s over 10 years old and breaking down often, replacement is usually cheaper long-term.
Can a faulty boiler be dangerous?
Yes – it can leak carbon monoxide or gas. Have it inspected by a Gas Safe engineer immediately.