There should be 24V AC between the C & R terminals. A wire may have broken
while relocating.
You can check the white & red by shorting them together. If it works the
problem is with the C wire. If not, itâ??s probably the R wire.
Peace,
Pat
Pat Horne
We support Habitat for Humanity
On Feb 2, 2021, at 9:26 AM, Rochlin Robert <rrochlin@comcast.net> wrote:
 I moved my Honeywell WiFi thermostat from the 1st floor where it
controlled A/C, heat, and fan to the garage where it would only control heat. I
wired a C wire and connected the red and white wires from the appropriate
boiler zone to the WiFi thermostat but I does seem to be getting power. Aside
from not having a fan or A/C wire the installation is the same. I know the C
wire is a good circuit because it is the same one that this thermostat used,
and a new now functioning first floor thermostat uses. Any help appreciated.
Best,
Bob
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