Worcester or Vaillant 30kw system boiler

[Milleniumaire]

Which is the better system boiler:

Worcester Bosch Greenstar 30cdi
or
Vaillant ecoTEC plus 630

It will be used with an unvented cylinder.

 

[gassafeengineer]

now your asking for the impossible this one is all down to personal preference RollsRoyce or Bentley?

trying to contact worcester very easy quality boiler

trying to contact Vaillant well ive give up but boilers are quality

 

[Steady]

priorygasheating-that was a useful reply I must say.
And fully relevant to the OP's question.
Not.