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    Ideal vulcan rs55 boost button

    Can anyone tell me if the boost button for this boiler is an immersion or not?
  2. A

    Boost button on an old ideal vulcan rs55 boiler

    Currently living in a student flat fitted with an old style ideal vulcan rs55 boiler and just trying to work out (while on a cost saving excerise) whether the boost button is more expensive than the heating programme? Specifically, is the boost button an immersion heater where a normal programme...