suprima 50 not hot water

[smk]

suprima 50 heating working hot water flame few second and green light
new pcb any help please thanks {2 port valve}
if you want heating the boiler work find if youi want hot water the boiler
light for a few second and the green light flash

 

[picasso]

3 port valve, 2 port valves ect ?

 

[Jordon]

Port valve.

 

[Jordon]

Daam gotta be quick on this site

 

[Dan Robinson]

Flaming nora - can you give a little more info.

Actual sentences would be nice

 

[smk]

thanks every one