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Thermostat for Steam system

Im wondering which thermostat is favored and why. I have recently got rid of the museum piece boiler and installed a Weil-Mclain SG04,renewed all the vents etc. I'd a thermostat which will work best with a steam system.

Also do the outdoor resets work well with steam systems?

My choices are:

Tekmar 542

Honeywell Vison Pro

My inner geek wants to get a Prophilix NT 120 so I can adjust the system remotely. It is a bit spendy though.

I currently have a Honeywell RTH 7500 is it even worth replacing this thermostat?

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