SunEarth SolFlux SESF-3221 Solar Hot Water Controller WiFi 3 PT1000 Sensors
Three PT1000 sensor leads. It compares temperatures at the solar collector and storage tank, then manages the circulation pump and auxiliary heat. Three rear knockouts have been removed, indicating that the unit was previously installed or wired.
NEW SunEarth SolFlux SESF-3221 Solar Hot Water Controller WiFi 3 PT1000 Sensors
Six identical sealed units are available. – Three PT1000 temperature sensor inputs. – Three PT1000 probe sensors included by the manufacturer. It compares temperatures at the solar collector and storage tank, then manages the circulation pump and auxiliary heat.
SunEarth SolFlux SESF-3221 Solar Hot Water Controller WiFi 3 PT1000 Sensors
Three PT1000 sensor leads shown. It compares temperatures at the solar collector and storage tank, then manages the circulation pump and auxiliary heat. The box for this unit was marked parts, and its complete prior history is unknown.