A cover for a pump for a liquid for a household appliance, in particular for a dishwasher or a washing machine; the cover comprising - a wall having an inner face destined to come into contact with the liquid and an outer face, opposite to the inner face; - an electric heating element which crosses said wall, whereby said at least one electric heating element is apt to come into contact with the liquid; wherein said wall comprises at least one first portion where the inner face is spaced apart from the electric heating element; wherein said wall comprises at least one second portion where the inner face is in contact with the electric heating element; - a support fixed to the outer face; characterized in that the cover further comprises at least a first NTC thermistor and a second NTC thermistor which are fixed to the outer face at said first portion of the wall; wherein the first NTC thermistor is distal from said second portion of the wall, and the second NTC thermistor is proximal to said second portion of the wall; wherein the first NTC thermistor and the second NTC thermistor are at a stretch of the heating element spaced apart from said first portion of the wall and facing said first portion of the wall; wherein the first NTC thermistor and the second NTC thermistor are fixed to the outer face by means of said support; wherein said support comprises a first part in contact with said first portion of the wall; wherein the first NTC thermistor and the second NTC thermistor are fixed to said first part of the support; wherein said first part of the support comprises a first zone and a second zone, between which at least one notch is provided, in particular to limit the transmission of heat between the first zone and the second zone of said first part of the support; wherein the first NTC thermistor is fixed to the first zone and the second NTC thermistor is fixed to the second zone. - a wall having an inner face destined to come into contact with the liquid and an outer face, opposite to the inner face; an inner face destined to come into contact with the liquid and an outer face, opposite to the inner face; - an electric heating element which crosses said wall, whereby said at least one electric heating element is apt to come into contact with the liquid; wherein said wall comprises at least one first portion where the inner face is spaced apart from the electric heating element; wherein said wall comprises at least one second portion where the inner face is in contact with the electric heating element; - a support fixed to the outer face; characterized in that the cover further comprises at least a first NTC thermistor and a second NTC thermistor which are fixed to the outer face at said first portion of the wall; wherein the first NTC thermistor is distal from said second portion of the wall, and the second NTC thermistor is proximal to said second portion of the wall; wherein the first NTC thermistor and the second NTC thermistor are at a stretch of the heating element spaced apart from said first portion of the wall and facing said first portion of the wall; wherein the first NTC thermistor and the second NTC thermistor are fixed to the outer face by means of said support; wherein said support comprises a first part in contact with said first portion of the wall; wherein the first NTC thermistor and the second NTC thermistor are fixed to said first part of the support; wherein said first part of the support comprises a first zone and a second zone, between which at least one notch is provided, in particular to limit the transmission of heat between the first zone and the second zone of said first part of the support; wherein the first NTC thermistor is fixed to the first zone and the second NTC thermistor is fixed to the second zone. wherein said wall comprises at least one first portion where the inner face is spaced apart from the electric heating element; wherein said wall comprises at least one second portion where the inner face is in contact with the electric heating element; - a support fixed to the outer face; - a support fixed to the outer face; characterized in that the cover further comprises at least a first NTC thermistor and a second NTC thermistor which are fixed to the outer face at said first portion of the wall; wherein the first NTC thermistor is distal from said second portion of the wall, and the second NTC thermistor is proximal to said second portion of the wall; wherein the first NTC thermistor and the second NTC thermistor are at a stretch of the heating element spaced apart from said first portion of the wall and facing said first portion of the wall; wherein the first NTC thermistor and the second NTC thermistor are fixed to the outer face by means of said support; wherein said support comprises a first part in contact with said first portion of the wall; wherein the first NTC thermistor and the second NTC thermistor are fixed to said first part of the support; wherein said first part of the support comprises a first zone and a second zone, between which at least one notch is provided, in particular to limit the transmission of heat between the first zone and the second zone of said first part of the support; wherein the first NTC thermistor is fixed to the first zone and the second NTC thermistor is fixed to the second zone.