Google Nest Community

Nest G4CVZ wiring issue (replace old mercury thermostat with 3 wires for boiler)

I have a mercury thermostat with 3 wires (R, G and W) thermostat control. Between the R & W wires, I tested 24V AC. The Aquastat relay for the boiler is L8148 E 1257 and I want to replace my old thermostat with a Google Nest Thermostat (G4CVZ). I wou...

Nest app login via app

I'm trying to add my sensor to my Google Home app, but it says login redirect failed.This is AFTER I access the lost password screen and it gives me a chance to log in via my Google account. (on the bottom)Error message is:Error 400: redirect_uri_mis...

Alternate fuel source

I would like to see normal heat pump usage separated from alternate fuel usage. Nest E shows as total usage this is not a fair representation of energy usage

Help

I currently have a lux product thermostat , is this system compatible with a google nest ?

How to access technician programming. I’m having issue with o/b energized in heating.

How to access technician programming. I’m having issue with o/b energized in heating.

Getting heat to turn off at nighttime

When I set a time schedule for heat the heating does not turn off at the last setting. How do I ensure that the heating turns off at nighttime?

Lost nest thermostat remote connection.

Lost nest thermostat remote connection. How do I reconnect while I’m remote?

Howto stop hest at nighttime

Heat link Dead

Hi There - I’m getting error message H71 - but heat link is dead - no lights and unable to reset. Have had no power/electrical/heating issues or work done. The set up has been working fine for the past 2 years and I have no idea what has happened. Po...

Failures in Nest 3rd Base Plates

I have 5 Nests installed. All have common connection (from the AC side). I had to buy 2 spare units and replace 2 base plates due to a failure that starts as a chatter in one heating circuit (W1 and W2, both chater but not at the same time, all at ra...