I have steam and gas boiler. was working well. past 10 day I'm notice. I do have heat in 2nd,3 rd floor but i don't have no heat 1st floor, and boiler run continue .because my thermostat is 1st floor and is not maintain heat that way boiler ruing 24x7, in this case what should i do, i call few company they don't know what should do ti fix heat.
i pot cut in .03 psi cut out between 2-3