A boiler engineer come out and said he’ll need 4 hours to locate the wires and figure the problem. But I’m going pretty hands on. None of the wires have changed.
I also got told by him to put the red and yellow together in the thermostat in a chocoblox and the earth and blue in a separate box...
I recently installed the hive v2 which worked fine.
But as soon as I went to remove to thermostat on the wall it all stoped working . Hot water doesn’t fire up. Boiler fires up for 1 min then stops , doesn’t warm the rads up.
Maybe I’m doing something wrong.
Here’s the stat: do I need to...