Can the wyze thermostat replace a SunStat Pro II floor heating system thermostat?
Doing some minor research, it seems the SunStat Pro II Thermostat is part of a high voltage system. SunStat Pro II Regardless just in case, try using this tool. Wyze Thermostat Compatibility
Welcome to the Wyze community @limon87co!
As @smooklu said your system may be high-voltage. High-voltage systems are not supported by the thermostat.