It is recommended that the normal operating pressure is confined to 25% - 75% of the scale

Legacy Universal Unloader Valve - Trapped Pressure (Banjo Bolt-On)

HX323 = Nozzle Orifice Equivalent #08

Dimensions: 1-3/4" LONG X 2-1/4" Wide

Authentic Honda replacement part

Suttner ST-160 Chemical Injector Non-Adjustable Barb with Dosing Nozzles Stainless Steel 5000psi Model:200160510 - #04.5 Nozzle Orifice It is recommended that theSuttner ST 160 downstream low pressure soap and chemical injector. 5000psi Maximum Rated Pressure 194 F degrees maximum (foaming is best below 160 F) 9mm Barb works with 1 4" chemical hose. 10 metering dosing nozzles included. 3 8" Male Outlet x 3 8" Female Inlet Will not draw soap at high pressure. Choose the ST60 injector model that is the closest match to the high pressure "rinsing" nozzle (orifice size) of the pressure washer without going under.