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honeywell 5100B thermostat

E. Blais
E. Blais Member Posts: 5
I have a steam system.The thermostat is set to 68*.My system goes on at 68*.When the burner shuts off the temp is still 68*.Sometimes it raises to 70*.Is this normal.My other thermostats(also set at 68*), when the burner shut off the temp raised to 70*or 71*everytime it shut off.Why is the RTH5100B not doing this.
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