The Primus thread is M14*1.5
The jet should be 0.63 or 0.68 mm depending on whether it is jet 1078 or 1043. Conny
it should be withworth 1/4
Its the burner for Sievert 591 Conny
Hello T-bone Here is a parts list https://classiccampstoves.com/fusion/gallery/1/1210162150-svea300cat013.jpg 2104 is for a smaller burner Best...
Separera namn med ett kommatecken.