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

At LHS Plumbing Services, we don't just service boilers - we help homeowners get the very best performance from their heating systems. Recently, we carried out a routine annual service in Buckhurst Hill on an Ideal combi boiler. The appliance passed all safety and performance checks, with combustion readings, gas pressures and operational tests confirming it was working correctly. Rather than simply leaving the system as it was, we discussed ways the customer could further im

Recently, our Gas Safe engineers completed a boiler replacement in Chingford (E4) after diagnosing a severely blocked primary heat exchanger inside an ageing Vaillant combi boiler. The customer had experienced ongoing heating issues, poor hot water performance, and rising energy bills. Following a full inspection, we recommended replacing the boiler rather than carrying out an expensive repair. A failed or heavily blocked heat exchanger filled with magnetite and scale is one

Improving Efficiency, Control, and Performance with a Correctly Sized System Boiler Replacing an outdated fireplace back boiler with a modern heating system can present several design challenges. One recent project involved relocating the boiler from a fireplace back boiler arrangement to a first-floor cupboard. Here, we installed a Viessmann Vitodens 100-W 19kW system boiler, designed around a Priority Domestic Hot Water (PDHW) setup. Our goal was not simply to replace the e