AR20888 Annovi Reverber Mini-Matic 4/B unloader with a max 2,600 PSI with aluminium internal by-pass unloaders and max GPM of 2÷5. These Unloaders feature a bolt on design with internal by-pass system. Adjustable pressure releases pressure in pump head when in by-pass, protecting from over pressurization. Eliminates by-pass hose and fittings. Built-in chemical injector available. The molded plastic adjusting knob is designed for user comfort. Brass body with a stainless steel plunger and spring, by-pass is aluminum or brass.


Max PSI 2600
Inlet 1/2" F
Outlet 3/8" M
Size 1.8
Pump Series RC, XT, XM
By-Pass Aluminum
Injector Fixed
ID Stamp 1

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