When an underfloor heating system starts developing cold spots, inconsistent room temperatures, or zones that refuse to heat up, the underlying cause is often more complex than a simple thermostat fault. We were recently called to a property in Woodford Green to diagnose and repair an underfloor heating system suffering from several interconnected issues. Initial Fault Investigation The homeowner reported that several underfloor heating zones were no longer responding correct

We were called out to a Vaillant boiler breakdown in Woodford Green, issue described - load banging when the boiler was on, causing the boiler to over heat and shut down, showing various fault codes on the interface. After inspecting the boiler it was confirmed the main heat exchanger was partially blocked and filled with magnetite, sludge and scale produced by the radiators in the system. Client had two options: flush main heat exchanger and boiler or replace the boiler New