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circulator pump

1144 Views 2 Replies 2 Participants Last post by  kevin45
my circulator pump is always running. i have a well mclain he2 boiler with a amtrol indirect fired water tank that was just replaced. the circulator pump is about 2 years old and i have a brand new boiler control board. the circulator pump is a bell & gosset nrf 22 232
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Is the thermostat always calling for heat?
That could keep the circulator running.
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