AR2812 Unloader Repair Kit - Mini-Matic 4/B

Seal repair kit for AR Mini-Matic 4/B series unloader valves. Includes 15 O-rings and 2 backup rings to correct low pressure issues and leaking. Compatible with unloaders: AR20608 (2600 PSI, 5.5 GPM), AR20821 (2600 PSI, 5.0 GPM), AR20890 (2600 PSI, 3.0 GPM w/2.0mm injector), AR21039 (2600 PSI, 3.0 GPM w/2.0mm injector), AR21040 (2600 PSI, 3.0 GPM w/2.2mm injector). Cross-references: 8.720-676.0, 83-2812, 87206760.