Thermostats have my head spinning...

[Sauzo]

What’s the main difference between the ez and then the digital. Is it just a nicer display ?

Havent looked myself but i am going to guess the passive safeties and mechanical relay to shut off power in case of a channel or unit failure. I know anything under the Herpstat 1 does NOT have the mechanical relay.

And the main reason to buy a t-stat is for the safeties and to have it shut down in the off position on failure and not run wide open lol.