Ariston Boiler Repairs Swansea & South Wales

Ariston boiler logo

Ariston is an Italian manufacturer with over 80 years of experience in water and space heating. Part of the Ariston Thermo Group, they produce a wide range of combi, system and regular boilers sold throughout the UK. While Ariston boilers are well-built, they can develop faults as they age. Our Gas Safe Registered engineers in Swansea and South Wales are experienced in servicing and repairing Ariston boilers of all ages.

Ariston Boiler Repair

When your Ariston boiler breaks down, you need an engineer who knows the brand inside out. Our Gas Safe Registered engineers have repaired hundreds of Ariston boilers across Swansea and South Wales. We carry common replacement parts on our van, which means many Ariston repairs can be completed on the first visit — getting your heating and hot water back up and running as quickly as possible.

Common Ariston Boiler Problems

Through years of working on Ariston boilers, we have become familiar with the faults these models are most prone to. Here are the issues we see most often:

  • Error code 501 — ignition failure, often caused by a faulty gas valve or blocked burner
  • Error code 108 — low water pressure requiring the system to be repressurised
  • Thermistor faults — temperature sensors can drift, causing erratic heating behaviour
  • Pump overrun issues — the pump continues running after the boiler has shut down
  • Flue blockage warnings — birds nesting or debris can partially block the external flue
  • Heat exchanger scale build-up — hard water areas accelerate limescale deposits

If your Ariston boiler is displaying a fault code or behaving unusually, do not ignore it. Early diagnosis can prevent a minor issue from becoming an expensive repair.

Ariston Boiler Servicing

An annual boiler service is essential for keeping your Ariston boiler running safely and efficiently. During a service, we carry out a comprehensive set of checks including flue gas analysis, gas pressure testing, electrical connection inspection and a full visual examination of all components. Regular servicing not only extends the life of your Ariston boiler but is also a requirement for maintaining most manufacturer warranties.

Ariston Models We Work On

We service and repair the full range of Ariston boilers, including:

  • Ariston E-Combi 24
  • Ariston E-Combi EVO 30
  • Ariston Clas HE 24
  • Ariston Clas HE R 18
  • Ariston Genus HE 30
  • Ariston Egis Plus 25

Even if your specific Ariston model is not listed above, we can almost certainly help. Our engineers have experience with both current and discontinued Ariston boilers.

Ariston Boiler Installation

As well as repairs and servicing, we install new Ariston boilers throughout Swansea, Neath, Port Talbot and the surrounding areas. Whether you are replacing an old boiler or fitting a Ariston boiler in a new location, we handle the complete installation including any necessary pipework modifications, flue fitting and system flushing. We will help you choose the right Ariston model for your property size and hot water demands, and ensure everything is installed to manufacturer specifications and Gas Safe standards.

We also specialise in Ferroli, Biasi and Vokera boiler repairs across South Wales.

For Ariston boiler repairs, servicing or installation across South Wales, call us on 07881 286 602. We cover Swansea, Llanelli, Carmarthen, Neath, Port Talbot and surrounding areas. See our boiler installation service, browse all brands we work with, or get in touch for a free quote.