No heating? No hot water? Boiler leaking or stuck on lockout? We provide rapid, expert fault finding and repairs across South Wales.
Gas Safe & OFTEC Registered | 20+ Years Experience
When a boiler breaks down, many companies immediately push for a costly full replacement. At AB1 Plumbing & Heating Services, our first priority is fault finding. With over 20 years of experience, we specialize in diagnosing complex heating issues on both gas and oil boilers.
We carry advanced diagnostic tools and a stock of common spare parts to ensure we can achieve a first-time fix whenever possible. We will always give you an honest assessment of your boiler’s condition before you spend any money.
If you constantly have to top up your boiler pressure, you likely have a leak, a faulty pressure relief valve, or a failed expansion vessel.
Often caused by a stuck diverter valve, a broken flow switch, or a scaled-up plate heat exchanger in combination (combi) boilers.
The boiler is detecting a safety issue—ranging from ignition failure and gas supply issues to blocked flues and condensate pipe freezing.
Issues with circulation pumps, sticking thermostatic radiator valves (TRVs), or heavy sludge build-up requiring a system flush.
Banging or "kettling" noises usually indicate localized boiling inside the heat exchanger due to restricted water flow or scale.
Internal boiler leaks can destroy expensive electronic components. If you spot a leak, turn off the water supply and call us immediately.
Covering Llanelli, Swansea, Carmarthen, Ammanford and surrounding areas.
CALL NOW – 07425 596446