Will a vokera unica 28 h e boiler serve 7 radiaters.3 small 4 colossal.?

Replacement jet?
!00% yes.
Does it result in any injure to your...

My Kitchen sink isn't running. what can I...
It all depends on the BTU/Watts rating and size of radiator you aspiration to use in any one room and the size of your home.

ATB Red
HOA Question?
Answers:    Yes as long as the total of the radiators is less than roughly speaking 28 kw, which they will be!