hello guys!

i would like to buy a good proportional thermostat, which one would you recommend?

and can the one thermostat control more than one tub? and if so, my room gets quite cold so would i need two thermostats? as i would need to have flexwatt on the cold and warm side.

and one other thing, i live in europe and i want to get one of the ones like spyder robotics or a helix or something like that which we don't get here. so i would have to convert the voltage with a voltage converter since the electricity here is 230V 50 Hz and in the states its 110-120V 60Hz which is fine but what about the Hz? will that matter?

sorry about all the questions but im a bit confused.

thanks so much for the help!