thermostat wiring

The boiler's circuit board is unlabelled, but based on the current configuration hope someone can help check my deductions/proposal... At the moment: Programmer/Timer (Sunvic Select 107XL) N/L connected to its own fused spur power supply. 1/COM is connected with a Brown/Live cable to the...

Hi, I've just seen the new offer by AO for Hive thermostats for £120. I am thinking of buying this as it seems a decent price, but had not enough time to thoroughly research if it fits my old boiler (a Potterton Profile 100e). Sadly I do not have the funds to change the old boiler and as it...

Hi . Can I replace Honeywell T40 two wire to new digital one and how? Thanks

I am swapping my old Timeguard dial stat which is 3 wire for a Honeywell THR870CUK digital programmable stat. The installation instructions are not the best so need a bit of advice as which wires go where, I have included a picture of the old stat wiring and a wiring diagram and connections of...

Hi all, I am looking at upgrading to a nest thermostat but I am a tad useless so need some help. I have a Potterton ep2 controller and Potterton suprima boiler. Will this be compatible with the nest 3rd gen thermostat? Please let me know if you need more information! Thanks in advance and...

I'm installing a Hive 2 controller and would like some advice please on removing my old room thermostat. It is currently in my upstairs hallway and I'm replacing it with a Hive multi-zone stat. The current stat has 3 wires as per the attached diagram. I was planning on bridging out 1 and 4 but...