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Does anybody have a service manual for this boiler? I would like to know if it has volt-free connectors and which connections to use. Thanks

Is it more complicated to use than the Honeywell? They want to control mainly the heating on the fly, i.e switch on or adjust the temp of heating at ease. They hardly ever change the DHW temp and I think they do not have the pre-heat for the DHW on anyway. Also I didnt find any mention of a LCD...

Do you know any particular advantage/disadvantage by using the Vaillant as apposed to the Honeywell. Thanks

Can anybody shed any light on this, I have searched the forums but I have not really found an answer. Thanks

Hi My parents have a Vaillant 824E combi boiler. They have TRV's all round the house except toilets/Utility Room/Kitchen. They would like to have a RF Programmable Room Stat, I have in my house a Honeywell CM927 RF and like it, it does the job. Since they have a Vaillant combi is it worth...