Upgrade pump on glowworm c30sxi

[bigliam1990]

Does anyone know if you can upgrade the standard pump for a more powerful one? The system has 21 rads on it some are too hot to touch whilst others are only just getting aired? Any advice would be much appreciated

thanks, Liam

 

[Barry98]

more likely it needs to be balanced correctly

 

[bigliam1990]

more likely it needs to be balanced correctly

Already tried this spent a full day on it and still same

 

[jtsplumbing]

poss wrong size pipe work on system !

 

[Dotty]

Are you gsr Liam?

 

[lame plumber]

poor design and not balanced as stated previously