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How would you control a Bumblebee circulator in a pure TRV situation?
In either a reverse return two pipe system or a home run setup I can understand the Alpha would sense the pressure change when a TRV opens and closes. How would a Bumblebee know a TRV opened in order to turn the pump on since you would be dispensing with thermostats?
Put in some sort of pressure differential sensing switch between supply and return?
John Barba, are you on here?
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