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Thanks very much, that is brilliant information and the schematic very helpful

Thanks for that, it’s an old vaillant turbomax it says on their set up instructions, Room thermostat, 230 V: connections 3, 4 and 5 and as you correctly understood 3 & 4 are currently being used. One question at present the mains supply to the boiler is wired from Danfoss timer from a 3a fused...

Thanks for your reply. It’s my first post and I thought I had probably posted in the wrong forum, so I won’t do that again. So you think I should just wire 3 & 4 from the boiler to 1 & 3 on the hive and discard the thermostat and it’s wiring Read more...

Thank you both for your help

Thanks for that, I have just had a better look at all the wiring and all is not as it seems. All L N and E as as you would expect. On the boiler terminals 3 & 4 are used 3 goes to 5 on the timer ( marked com on their manual) 4 has been moved and bypasses the timer and now goes straight to 3 on...

I have just had a better look at all the wiring and all is not as it seems. All L N and E as as you would expect. On the boiler terminals 3 & 4 are used 3 goes to 5 on the timer ( marked com on their manual) 4 has been moved and bypasses the timer and now goes straight to 3 on the stat, terminal...

Currently about to set up hive active heating with a combi boiler so bought the single channel receiver. At present I have a Danfoss Randallset1 and a Honewell hard wired thermostat which I am going to replace however I would like confirmation that I am going to wire it correctly and was...

Currently about to set up hive active heating with a combi boiler so bought the single channel receiver. At present I have a Danfoss Randallset1 and a Honewell hard wired thermostat which I am going to replace however I would like confirmation that I am going to wire it correctly and was...