Boiler misbehaving—no heat, no hot water, or strange noises? This guide covers quick, safe checks you can do yourself, what common fault codes mean, and the point where a professional is the right call. Safe Quick Checks You Can Do Now Before Boiler Repair Safety note: Don’t remove boiler casings or touch gas components unless you’re Gas Safe registered. Common Boiler Symptoms & Likely Causes What Your Boiler Error Codes Usually Mean (Always check your exact model manual—codes vary by range.)…
