ISO Box / ISO Defroster DN 125
The Iso defroster heater is an air pre-heater which can be integrated into the outdoor air tube of ventilation systems to protect the ventilation unit against frost. It is only ever to be used as a defroster. The electrically operated PTC heating register can be controlled by the BUS thermostat or by the autonomous universal thermostat.
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More to know about ISO Box / ISO Defroster DN 125
The Iso defroster heater is an air pre-heater which can be integrated into the outdoor air tube of ventilation systems to protect the ventilation unit against frost. It is only ever to be used as a defroster. The electrically operated PTC heating register can be controlled by the BUS thermostat or by the autonomous universal thermostat.