31/05/2026
🔍 Why Accurate Diagnostics Matter
One of the most common situations I encounter is a customer being told that a major component needs replacing, only for the actual fault to turn out to be something completely different.
Modern heating systems can develop faults that appear similar on the surface:
▪ Boiler losing pressure
▪ Intermittent heating
▪ No hot water
▪ Fault codes appearing and disappearing
▪ Radiators not heating properly
▪ System noises and circulation issues
Replacing parts without proper testing can become expensive very quickly.
My approach is always to start with diagnostics and fault-finding before recommending repairs. Identifying the root cause often saves customers time, money, and unnecessary disruption.
Recent faults investigated have included:
✔ Failed filling valves causing pressure issues
✔ Blocked plate heat exchangers affecting hot water performance
✔ Faulty sensors creating intermittent lockouts
✔ Air circulation problems within heating systems
✔ Leaks hidden within pipework and system components
Whether you're a homeowner, landlord, or managing agent, having a fault diagnosed correctly is often the most important step in getting your heating or plumbing system back to normal.
📍 Wolverhampton, Walsall, Bilston, Wednesfield and surrounding areas
📞 07966 437162
JAC Plumbing & Heating
Gas Safe Registered No. 928809
