Frozen Condensate Pipe: The 10-Minute Winter Fix
A frozen condensate pipe blocks your boiler’s waste drain and shuts the boiler down, usually with a gurgling noise and an ignition fault code. Thaw the frozen section with warm (never boiling) water, reset the boiler, then insulate the pipe so it cannot freeze again.
Boiler Repair or Replace? How to Make the Honest Call
The rule engineers use: if a repair costs more than half the price of a new boiler and your boiler is over 12 years old, replacement usually wins on total cost. Under 10 years old, repair almost always makes sense. Between the two, the specific fault decides.
No Hot Water? The Checklist Engineers Use First
No hot water usually comes down to one of five causes: low boiler pressure, a controls or timer issue, a frozen condensate pipe, an ignition fault, or a failed diverter valve. Check pressure and controls yourself first; a diverter valve fault is the classic cause when heating works but hot water does not.
Worcester Bosch EA Error: Meaning and How to Fix It
The Vaillant F28 fault code means ignition failure: the boiler attempted to light and could not, so it has locked out for safety. Common causes are gas supply problems, a frozen condensate pipe, worn ignition electrodes or a faulty gas valve. One reset is safe to try.
Vaillant F28 Fault: Causes and Fixes Explained
The Vaillant F28 fault code means ignition failure: the boiler attempted to light and could not, so it has locked out for safety. Common causes are gas supply problems, a frozen condensate pipe, worn ignition electrodes or a faulty gas valve. One reset is safe to try.
Boiler Repair Costs in London: 2026 Price Guide
Real 2026 London prices for the common repairs, what moves the number, and how to avoid overpaying.
Boiler Losing Pressure? Causes and How to Fix It
The three causes of a dropping pressure gauge, and when a top-up is masking a leak.
Vaillant F22 Fault: What It Means and How to Fix It
F22 means low water pressure. Repressurise to 1.5 bar in five steps, and know when it is a leak.