Have a brand new K2-180A boiler and it is taking a long time for the temperature to climb in the house. The thermostats went from 66 degrees to 69 degrees in over 3 hours this morning (which is long), and there is no air in the system. The setpoint temperature on the boiler says it is at 150 degrees, and wondering if this is problem of the radiators not getting hot enough to emit the heat through the house. Should the setpoint temperature be higher to be more in the range of 160-180 degrees? Thanks
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