Harvey Cat
New Member
Hot water heating system has a Taco circulator that always hums 24/7 - even when the Thermostat is turned all the way down and system is not running. Only stops humming if I turn the power off.
Hot water heating system has a Taco circulator that always hums 24/7 - even when the Thermostat is turned all the way down and system is not running.
- Thread starter Harvey Cat
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John Gayewski
In the Trades
I would try changing the capacitor
