Boiler
Maintenance
At NJM Electrical & Maintenance, we know how vital a dependable heating system is, whether it’s for a commercial building, industrial site or multi-occupancy property. Our comprehensive boiler maintenance service ensures your system stays safe, efficient and fully operational all year round.
Regular boiler maintenance is essential to keeping your heating and hot water systems running smoothly and safely. By scheduling routine servicing, you can prevent unexpected breakdowns that might disrupt your home or business, while ensuring your boiler operates at peak efficiency, saving energy and reducing running costs.
Consistent maintenance also helps extend the lifespan of your system, reducing the likelihood of costly replacements. In addition, it ensures compliance with all safety and regulatory requirements, giving you complete peace of mind and minimising any potential disruption to your daily operations.
Why NJM?
Gas-safe registered engineers
We’ve built a team of trusted electricians with a wealth of knowledge and are fully insured.
Experience in Commercial and Industrial Installation
Our team has decades of hands-on experience delivering safe and compliant electrical installations for sites of all sizes.
Nationwide coverage; UK, Ireland and the Scottish isles.
Whether you’re a new business start-up or one of the most established sporting venues in the UK, we can help regardless of the scale of your project.
Common Boiler Issues We Help Prevent
Large or complex systems can be vulnerable to seemingly small faults that lead to major problems. Some typical issues we address include:
- Unexplained pressure loss or malfunctioning controls
- Scale build‐up in heat exchangers (especially in hard-water areas) reducing efficiency
- Irregular heating or hot water supply due to circulation or thermostat faults
- Burners failing to ignite, or sudden shutdowns of the boiler
- Strange noises, smells or visible signs of wear that often signal internal faults or component fatigue
What a Boiler Service Entails
During our boiler maintenance visits we will:
- Inspect the system visually and via relevant testing to check for leaks, corrosion, or abnormal wear.
- Clean key components (such as heat exchangers, pumps, valves) to ensure optimal efficiency.
- Test controls, thermostats and safety devices to guarantee proper operation.
- Monitor boiler pressure, flame pattern, venting and other performance indicators.
- Identify early signs of trouble—such as scale build-up, burner/ignition issues, or circulation problems—before they escalate.
- Provide a detailed report of the visit including any recommendations for corrective action or future maintenance.
Other Electrical Services
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