What is the maximum water pressure allowed for this washing machine?

The permissible water pressure for this washing machine is between 0.3-10 kgf/cm² (30-1000 kPa). If the water supply pressure exceeds 1000 kPa, a decompression device should be installed. (Page 5, 8)

From the official LG WD Series WD-14331 Washing Machine manual, page 5

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