Main Heat Exchanger clean & sump replacement Vaillant Ecofit Pure, Glowworm Energy, Heatline Capriz

DISCLAIMER:
This video is only intended for use by qualified Gas Safe Registered engineers. You must not attempt any work on your boiler if you are not qualified. You must always carry out 26.9 checks upon completion of works on a boiler.

Sump part no. 0020195478
Heat exchanger gasket kit 0020195459