摘要 |
A probe assembly for monitoring the water level in boilers with an electric immersion resistor heater, of the type that comprises at least one sensor element to be arranged inside a hollow body which is in turn associated and partially inserted in the boiler. The hollow body has, on the portion arranged outside the boiler, a plug which axially supports the sensor element; the end of the sensor element arranged at the plug is connected, when the plug is installed, by way of at least one electrical contact, to an electrical power supply cable, whose contact end is arranged at the portion of hollow body that is arranged outside the boiler.
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