Biasi Boiler Repairs Swansea & South Wales

Biasi is an Italian boiler manufacturer founded in 1967, known for producing affordable and compact heating systems. While they offer good value, Biasi boilers can be more challenging to source parts for compared to mainstream UK brands. Our engineers in Swansea and South Wales have the experience needed to diagnose faults quickly and source replacement components for Biasi boilers, keeping your heating running smoothly.
Biasi Boiler Repair
When your Biasi boiler breaks down, you need an engineer who knows the brand inside out. Our Gas Safe Registered engineers have repaired hundreds of Biasi boilers across Swansea and South Wales. We carry common replacement parts on our van, which means many Biasi repairs can be completed on the first visit — getting your heating and hot water back up and running as quickly as possible.
Common Biasi Boiler Problems
Through years of working on Biasi boilers, we have become familiar with the faults these models are most prone to. Here are the issues we see most often:
- Ignition lockout — the spark electrode or ignition lead can deteriorate over time
- Overheating — the overheat thermostat may trip due to poor circulation or pump failure
- Fan speed faults — the fan may not reach the correct RPM, preventing ignition
- Diverter valve failure — very common on Biasi combis, causing loss of heating or hot water
- Condensate pipe freezing — the external condensate pipe can freeze in winter, locking out the boiler
- Parts availability — some older Biasi models require specialist sourcing for replacement components
If your Biasi 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.
Biasi Boiler Servicing
An annual boiler service is essential for keeping your Biasi 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 Biasi boiler but is also a requirement for maintaining most manufacturer warranties.
Biasi Models We Work On
We service and repair the full range of Biasi boilers, including:
- Biasi Riva Plus
- Biasi Inovia 25C
- Biasi Advance Plus 25C
- Biasi Parva M96
- Biasi Garda HE M100
- Biasi Riva Compact
Even if your specific Biasi model is not listed above, we can almost certainly help. Our engineers have experience with both current and discontinued Biasi boilers.
Biasi Boiler Installation
As well as repairs and servicing, we install new Biasi boilers throughout Swansea, Neath, Port Talbot and the surrounding areas. Whether you are replacing an old boiler or fitting a Biasi 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 Biasi 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 Ariston, Ferroli and Vokera boiler repairs across South Wales.
For Biasi 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.
