Are ice makers and water purifiers appliances in the scope of the Regulation?

Yes they are, because in Appendix I the Regulation includes in the scope “other appliances for cooking and other processing of food”. Water and other drinkable liquids shall be considered as being food.

_{Disclaimer: Please note that the European Commission cannot provide a legally binding interpretation of the EU legislation, as this is the sole competence of the European Court of Justice. Any remarks from the European Commission services are without prejudice to the position the Commission might take should related cases arise in a procedure before the Court of Justice.}