H2O Direct award winning service cartridges can be used in conjunction with several different ranges of water filters.

HF – to be used with IEN / MH4 / SP

VH – to be used with VH-IEN

M9 – to be used with M9

The cartridge allows you to fully descale your hot water tanks, taps, solenoids and pipe feeds without the need to take them apart.

The service cartridge can be filled with the appropriate Descaling solution ‘ i-DSCALE’ and once re-connected into the head, the solution will be pushed around all the areas where descaling wasn’t possible before.

Benefits include;

  • Quick Change
  • Easy to use
  • No tools required
  • Can be used time and time again



VH Service Cartridge and Funnel


M9 - 13" Service Cartridge and Funnel