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Thanks ericmark for your reply

Hi Stem thanks for the reply the programmer on the boiler is I think probably an upgrade fitted at some point over the bog standard on off switch they come with as standard. Current set up HW can run by itself but CH can only run with HW on, just looking for a bit more control that's all. Only...

I've got an old Danesmoor 20 25 oil fired boiler with built-in programmer and room stat, the ch is a sealed system and HW is gravity fed. Can anyone shed some light on how to wire hive to it, do I need a single or dual channel hub. Thanks Steven

Thanks guys for the responses I will try them again tomorrow. Regards Steven

This is the programmer on front of boiler.

Thanks for the reply Stem I move the jumper over to pumped I could hear the pump inside the boiler going but the boiler wouldn't fire for the ch. So I reverted back to gravity. Dont know if I did something wrong. Regards Steven

Picture of dhw tank. Regards Steven

Yeah I'd say its definitely gravity HW as no pump runs when on hot water only. Regards Steven

Thanks for the very impressive reply I will take time to digest and investigate my setup. Regards Steven

Thanks for your reply what I'd like is more controllability over the boiler, I understand that when ch is on the dhw will heat also but I'd like to stop the boiler firing to heat the hot water when the heating is off. Regards Steven TV Hi and thanks for your reply, I'd like to have more...

Hi Stem I did as you said and set the programmer to on 24/7 Central heating, Is there a way to stop the hot water firing up the boiler outside of the programmed times for the central heating.

ianmcd thanks for the reply the boiler has a built in programmer for the HW and CH.

Hi Stem another question if I wanted to upgrade to hive in the future would that be possible, I understand I'd probably need a dual channel controller as I have a hot water tank upstairs.

Thanks Stem it worked a treat. Regards Steven

Hi Stem Do I just disregard the earth or attach to a fixing. Regards Steven

Great thank you for that, I'll give it a shot. Regards Steven

Sorry to jump on this thread but I need help replacing a room stat. The boiler is an old oil fired worcester danesmoor 20/25 with a honeywell roomstat, I'd like to change it for a salus rt510 or something similar, the current roomstat has an earth, a live, a negative and a black wire (not sure...