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"Yari replaced a Heat Exchanger on a boiler for one of my commercial clients. He was prompt, thorough, and very well priced..."

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  Bathrooms & kitchens installations, maintenance. Unvented hot water cylinders specialists in London

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  Radiators, pipework, system restoration, combi, unvented and opens vent systems.

Vaillant ecoTec plus 824 - water is not getting hot enough and central heating works when its off

  • Make sure the system is cool
  • Open a hot water tap and touch a boiler's flow pipe
  • If the pipe is getting hot then replace a diverter valve
  • The part number for replacement is Vaillant 0020132682 Diverter Valve CPL
  • Old part number: 178978


PDF - Vaillant ecoTec plus 824 - Diverter valve replacement 0020132682 - installation instructions