Product Overview AR20821 MINI-MATIC UNLOADER 2600 PSI 1/2 " FPT INLET FEATURES: Unloader features bolt on design with internal bypass system Adjustable pressure releases pressure in pump head when in bypass, protecting from over pressurization Eliminates bypass hose and fittings Garden hose filter inlet Molded plastic adjusting knob is designed for user comfort Brass body with stainless steel plunger and spring SPECIFICATIONS: For AR pump series XM and XT Flow: 2 to 5 GPM Maximum pressure: 2600 PSI Maximum temperature: 140F Inlet: 1/2" FPT Outlet: 3/8" MPT Warranty Information null Reviews (No reviews yet) Write a Review