When your boiler starts acting up, one of the first things that comes to mind is whether it can actually be repaired or if replacement is the only option. With so many different types of boilers installed in UK homes, it helps to understand what can be fixed and when it might make sense to upgrade. At JS Gas & Oil Ltd, we specialise in diagnosing and repairing all types of boilers, ensuring your heating system continues running safely and efficiently.
Can All Boiler Types Be Repaired?
Heat Only Boilers
Also referred to as regular boilers, heat only systems are most common in larger homes where heating demand is high. They use both a hot water cylinder and a cold water tank, which means multiple components can develop faults over time.
Common issues include problems with the feed and expansion tank, airlocks in the system, or a failing pump. The good news is that heat only boilers are generally straightforward to repair, provided spare parts are still available. Engineers can replace faulty valves, fix leaks, or clear airlocks to restore full operation. If the boiler is particularly old, however, finding compatible parts may take longer and could make replacement a more cost-effective option.
System Boilers
System boilers work similarly to heat only models but don’t require a separate cold water tank, making them a more compact and modern solution for homes with multiple bathrooms. They store hot water in a single cylinder, which allows for high water flow rates. When a system boiler develops a fault, common causes include a broken pump, expansion vessel issues, or pressure fluctuations. Engineers can often repair these problems during a single visit. In some cases, electrical components or sensors may need recalibration or replacement. Regular servicing can help prevent these issues and extend the system’s lifespan significantly.
Combi Boilers
Combi boilers are a popular choice for smaller properties, as they provide both hot water and central heating directly from one compact unit. Since there’s no need for an external tank or cylinder, repairs tend to focus on internal components.
Common issues include ignition faults, low pressure, leaking seals, and diverter valve problems. Because of their complex design, combi boiler repairs require the expertise of a trained Gas Safe engineer. A professional can quickly diagnose the cause of any issue and determine whether it can be repaired cost-effectively. In most cases, replacing individual components like pressure sensors or circuit boards restores full function without the need for a complete replacement.
When a Repair Isn’t the Best Option
While most boilers can be repaired, there are instances where a replacement makes more sense. If your boiler is over 15 years old, breaks down frequently, or struggles to heat your home efficiently, a new boiler could save you money in the long run. Modern systems offer improved energy efficiency, quieter operation, and lower carbon emissions. A professional engineer from JS Gas & Oil Ltd can assess your boiler and provide honest advice on whether a repair or replacement is the best solution. We always aim to repair wherever possible, but will guide you transparently if upgrading would be more beneficial for your home and budget.
Reliable Boiler Repairs in Rossendale, Burnley, Rochdale, and Ramsbottom
If your boiler has developed a fault, our Gas Safe registered engineers at JS Gas & Oil Ltd are here to help. We repair all major types of boilers, including heat only, system, and combi units, and ensure every job is completed to the highest safety and efficiency standards. Call us today on 07791 802791 or fill out our contact form to book your boiler repair service.
