Timer control for boiler?

Is the Worcester Bosch Green Star 30 si compatible to use with a Drayton LP111 timer and a Honeywell room stat? I know these controls currently have 230v going through them,i am going to renew the boiler and i want to keep the existing controls to keep the costs down and want to know so any potential installer... show more Is the Worcester Bosch Green Star 30 si compatible to use with a Drayton LP111 timer and a Honeywell room stat?
I know these controls currently have 230v going through them,i am going to renew the boiler and i want to keep the existing controls to keep the costs down and want to know so any potential installer doesn't try to fob me off with new parts i dont need.
Update: Ive been told that some boilers use voltage free or low voltage controls?
What does this mean?
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