AR2858 Unloader Kit - Mini-Matic 4/B

Complete OEM unloader rebuild kit for the Annovi Reverberi Mini-Matic 4/B unloader valve. Fits SJV, SJW, XJV, XJW, RC, XT, and XM series AR pressure washer pumps. Compatible pump models include: SJV2.5G27D-F7, SJV3G27D-F7, SJV3G27D-EZ, SJW2G25, SJW2.5G25, SJW3G25. Unloader specs: 2600 PSI max, 3 GPM max, 1/2" female inlet, 3/8" male outlet. Kit includes: knob plug (AR1981770), knob (AR1981780), nut (AR1980300), adjusting screw (AR1980470), handle insert (AR1980390), pins (2x AR1080070), plate springs (2x AR1980220), spring (AR1271070), upper piston (AR1080041), backup ring (AR1080401), piston guide (AR1980210), lower piston (AR1271160), valve seat (AR1980200), and assorted O-rings. OEM Annovi Reverberi part number: AR2858. Cross-references: 193126, 193126GS.