Heating element for heating a flow channel or a mould cavity which has a support element, which supports a heat conductor with a first connection pin and a second connection pin, and which comprises a connection apparatus with an electric connection cable with a first and a second conductor (41, 42), a) wherein the first and second connection pins (21, 22) end in an insulating body of the connection apparatus which separates the first connection pin electrically from the second connection pin, b) wherein the insulating body is arranged at least in certain sections in a receiving sleeve of the connection apparatus, c) wherein the receiving sleeve points with a first end in the direction of the support element, is fixed with the first end on the support element and fixes the insulating body relative to the support element, d) and wherein a first crimping sleeve is fixed onto the first connection pin and a second crimping sleeve is fixed onto the second connection pin, in each case by plastic deformation, and the first crimping sleeve is fixed onto the first conductor and the second crimping sleeve is fixed onto the second conductor, in each case by plastic deformation, characterised in that e) the first end of the receiving sleeve grips around the insulating body and has at this first end two feet (64, 65) pointing outwards opposite from one another and fastened to the support element, ▪ wherein the feet (64, 65) are fixed with a substance-to-substance bond to the support element, f) the heat conductor is applied onto the support element by laminating technology, ▪ wherein the heat conductor has an electroconductive thick layer which is arranged on a first insulating layer applied onto the support element by thick film technology and is covered by a second insulating layer applied by thick film technology, and ▪ wherein for the direct attachment of the feet (64, 65) of the receiving sleeve the first and the second insulating layer (24, 25) have a recess in the region of the feet (64, 65), and g) the receiving sleeve has a second end, which is opposite the first end and forms a third crimping sleeve and is fixed onto the connection cable by plastic deformation. a) wherein the first and second connection pins (21, 22) end in an insulating body of the connection apparatus which separates the first connection pin electrically from the second connection pin, b) wherein the insulating body is arranged at least in certain sections in a receiving sleeve of the connection apparatus, c) wherein the receiving sleeve points with a first end in the direction of the support element, is fixed with the first end on the support element and fixes the insulating body relative to the support element, d) and wherein a first crimping sleeve is fixed onto the first connection pin and a second crimping sleeve is fixed onto the second connection pin, in each case by plastic deformation, and the first crimping sleeve is fixed onto the first conductor and the second crimping sleeve is fixed onto the second conductor, in each case by plastic deformation, characterised in that e) the first end of the receiving sleeve grips around the insulating body and has at this first end two feet (64, 65) pointing outwards opposite from one another and fastened to the support element, ▪ wherein the feet (64, 65) are fixed with a substance-to-substance bond to the support element, f) the heat conductor is applied onto the support element by laminating technology, ▪ wherein the heat conductor has an electroconductive thick layer which is arranged on a first insulating layer applied onto the support element by thick film technology and is covered by a second insulating layer applied by thick film technology, and ▪ wherein for the direct attachment of the feet (64, 65) of the receiving sleeve the first and the second insulating layer (24, 25) have a recess in the region of the feet (64, 65), and ▪ wherein the heat conductor has an electroconductive thick layer which is arranged on a first insulating layer applied onto the support element by thick film technology and is covered by a second insulating layer applied by thick film technology, and ▪ wherein for the direct attachment of the feet (64, 65) of the receiving sleeve the first and the second insulating layer (24, 25) have a recess in the region of the feet (64, 65), and g) the receiving sleeve has a second end, which is opposite the first end and forms a third crimping sleeve and is fixed onto the connection cable by plastic deformation.