Some rads not working

[stuwa11]

just changed the diverter valve in my puma 80, when ive repressurised bled all rads still some do not get warm ...airlock??

pressure is up to 1.5 bar ,only down stairs rads not working ..return cold - flow hot ?? any pointers please ...thanks

 

[bengasman]

search existing threads on rad problems and flushing.
did you change include a new wax capsule?

 

[stuwa11]

yeh changed the wax capsule , if i turn some of the rads 'calling' down then i can get each rad working fine,just not al at once??