i have a gas boiler , the circule pump working and fire started when pressure up to limit ,boiler stop burning normally the pump continues working because the room temperature not reaching enough heat yet ,in this case the pump stop working it did not send heat to the room, ( it working only when stat fire ) my question is what wrong in the system ?(control box ?) thank !
the pump is controled by a thermostat i would start there then a control relay in control box
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