Can I lock the neoStat? November 19, 2018 06:16 Updated Follow Yes. You can enter a PIN code that must be entered on the neoStat before any change can be made. Related articles Is there a simple way to turn off the heating in my home? Do the neoStat’s update for Winter/Summer Time ? How does the neoHub obtain its update? Can I control hot water? 0.5 Set Point Control (neoHub Gen 2)