Potterton Promax Gold Titanium 848 Sigma Gas Valve720301001 720514301 0063AS4831
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.