What causes the water temperature in a boiler to reach over 220*F? [Archive]

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kemo14

Jun 27, 2010, 06:16 PM

Boiler water temperature
Overheating in boiler water piping
Noise coming from boiler

hvac1000

Jun 27, 2010, 08:32 PM

boiler water temperature
overheating in boiler water piping
noise comming from boiler

Defective high limit control and or operating control depending upon how it is wired into the control circuit.