Part Number: 8.904-573.0
Cross Reference Part Number(s): 462335K, 89045730
This 8.904-573.0 Mecline MV550 Unloader Valve features a brass body with stainless steel valve. It can be plumbed onto nearly any brand of pressure washer pump. Rated for use up to 8 GPM and 3600 PSI, this universal pressure regulating valve includes black adjustment knob.