@AntSneath, thanks for the help!
@thegios, thanks for reaching out. Even if True Radiant is off, once your Nest Thermostat hit the target temperature, it will maintain it until the next schedule. You can click on this link to learn about the maintenance band of your Nest Thermostat.
Thanks for the update. I'm glad to hear that everything is working fine. I will be locking this thread in 24 hours. Please feel free to create a new thread should you have some more questions or concerns in the near future and we'll be more than glad to help.