Laundry washing machine

A laundry washing machine comprising:

• a washing tub;
• a drum rotatably mounted in said tub;
• a washing liquid collector disposed at a position below said tub and communicating with an outlet thereof;
• electric circulation pump means having an inlet and an outlet connected respectively to said collector and to said tub for repeatedly recirculating washing liquid from said collector to said tub;
• said electric pump being connected in an electrical circuit including means for heating the washing liquid, means for controlling the filling level of washing liquid into said tub, and means for controlling the temperature to which the washing liquid is heated by said heating means;
• said filling level control means comprising a first group and a second group of level control elements calibrated in such a manner that said elements of said first group are effective to establish filling levels that are lower than those established by said elements of said second group;
• and
• actuating means for connecting said heating means and said temperature control means in series selectively with said elements of said first group in parallel with said electric recirculation pump means or with said elements of said second group.