Nest Thermostats

Question on Jumper Y and W wiring.

Hello,Trying to install GA-02082-USThere is jumper on Y and W, I am not sure which one should be on used on the Nest.Do I plug it W or Y? Do I need to put a jumper on the Nest?My current wiring is the followingRc and Rh are jumpered and Red Wire is o...

Thermostat wiring

I would like to install Nest Learning Thermostats 3rd gen. I have 3 zone baseboard heating from a boiler. The heat only thermostats currently have an Rh and W connection. The Rh and Rc are jumpered. The thermostat that controls heat AND AC has the fo...

Learning Thermostat with boiler and A/C

Currently i have a hot water boiler for baseboard heating and separate central a/c. There are 5 connections : Rc, Rh, W, Y and G. There is no C wire... Looking at videos online using an external VIIVRIA 24v power adapter it says to tape off the Rh (i...

Google nest touch not working

touch bar not working

H72 The power to the thermastat is off

Woke up this message this morning - H72 The power to the thermastat is off There is no power / green light on my heat pad either Noboys has touched anything so i am guessing this is a terminal thing with the heat pad maybe Can anyone help me please?

Nest thermostat shorts furnace

Hi,I have nest thermostat which worked fine for a while until one day my furnace tripped. I called electricity provider in my area. After inspecting the furnace and wiring, he disconnected the blue wire which was connected to 'C' (Common) part in the...