hello,
I have the above referenced thermostat and I have a one pipe steam system. when installing this thermostat, it doesn't have steam as one of the heating system options to choose from. the closest thing is radiant heat, but it doesn't seem the thermostat is working right set on radiant heat. there is a choice for "other", does anyone have this thermostat with a one pipe steam system and have it working right? it seems the boiler is shutting off always before the 2nd floor even gets remotely warm. I called Honeywell and the lady actually told me for steam that I should set it to "conventional forced air", but that sounds so wrong to me. any advice here on how to set it up correctly? its not the pressure of the boiler because I had that checked and its not the air valves of the radiators either because all the second floor radiators have gorton C valves. I ran a test where the boiler was on for 45-50 minutes continuously and the 2nd floor rads got nice and hot so when the boiler is on for the right amount of time, everything woks fine. its just that the boiler never stays on long enough when its maintaining my temp of 70 throughout the day. any help would be awesome! thanks
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