TK4 combines the established reliability and ease of installation of TK3 and TK3+ with revolutionary connectivity capabilities which opens new and interesting usage scenarios for the product. TK4 in fact integrates a wireless near field communication protocol that allows users to interact with the oil level regulator to expand product’s features and enhance its flexibility.
for more general info
Three different models are available depending on Working pressures:
TK4 up to 130 bar (click here for more details
TK4 up to 80 bar (click here for more details
TK4 up to 46 bar (click here for more details