LHS Plumbing & Heating Blog - Tips, Guides & Case Studies

Our Gas Safe heating engineers successfully upgraded an existing heating system in Woodford Green that was putting pressure on the boiler and its pump. This system comprised 3 circuits: 2 underfloor heating circuits and 1 unvented hot water cylinder circuit, each with a pump. The boiler was a Baxi Potterton Promax system boiler with an Grundfos 15-60 internal pump. In this system, up to three pumps were operating through the boiler depending on circuit demand - ranging from a

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