Ista External heater, heating element with digital setting to be mounted on the delivery pipe of the external filter
Features:
The interior of the tub, with an optical effect is much better, as it is installed on the external filter tube or a recirculation or rising  pump.
The 2-line digital display allows you to always keep a view
it quickly goes into temperature thanks to the thermal glass structure
external positioning for easier installation and easier maintenance
inlet and outlet system for temperature accuracy
The heater is equipped with a self-extinguishing safety system that comes into operation in one of the following cases:
the measured temperature is higher than 36 ° C
the detected temperature is more than 3 ° C higher than the set temperature
the difference in temperature measured by the two sensors is greater than 5 ° C |
