Compatibility - Ecobee ecobee4 Install Manual

CHE CKPOIN T: CO MPATI BI LITY
Does your old thermostat's backplate
have any of these indicators?
L1 L2
YES
Sadly, you might
not be compatible.
You can double-check here:
ecobee.com/compatibility
WARNING
HIGH VOLTAGE
NO
Great, please
continue to
the next page.
110 VAC
OR
120 VAC
OR
240 VAC