POTTERTON PROMAX COMBI 24 28 33 HE PLUS GAS VALVE 5114734
POTTERTON GOLD 24 HE COMBI – 47-590-05. POTTERTON GOLD 28 HE COMBI – 47-590-06. POTTERTON GOLD 33 HE COMBI – 47-590-19. POTTERTON GOLD SYSTEM 18 HE – 41-592-15. POTTERTON GOLD SYSTEM 24 HE – 41-592-16.