Interpump H284 USK 280 Bar Brass Pressure Washer Unloader Valve 4050 PSI Italy by | Jul 24, 2026• Model: H284 USK. Heavy-duty brass pressure washer unloader / bypass valve manufactured in Italy. • Max Temp: 185°F. • We are not pressure washer technicians. • Valve hasNOT been pressure tested. • Material: Solid Brass Body.
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