Air Seperator

[seco services]

try i but seems the air is in the boiler area.
have you any bleed vents near the cylinder etc ?

 

[paulw1]

I have bleed screws on feed and return on the boiler, and a bleed screw on a pipe next to port valve and pump at highest point

 

[seco services]

have you bled them?

 

[paulw1]

Yes I keep bleeding them,just had a big gush from the vent pipe,so it seems there is air in the system, but i am confused as to why it won'y circulate,everything is running ok