3 way valve motor - S1053700
Control pressure switch Huba - S5744000/SD
Ignition electrode - 05152500
Expansion vessel 6,5L - 05168400
Air pressure switch - 05169200
Burner pilot with plug - 05325400
Diaphragm arch (after 1992) - 05349700
Pipe in Z shape - S1020600
Thermocouple SRC and overheat stat - S1201300/SD