UNLOADER GYMATIC 3.5-5GPM/3650 | 8.712-574.0

SprayMart part number: 8.712-574.0

Supplier-listed description: AR Gymatic 3/B-series unloader valve, model AR20081. Supplier-listed operating flow range: 3.0–5.5 GPM; rated pressure: 3,650 PSI. 3/8-inch male outlet. Listed for RK, RR, SXM and XM pump series. Configuration: 1/2-inch male inlet; fixed injector, 1.8 mm. Match the exact pump model, connections and injector configuration before ordering; these valves are not automatically interchangeable.

Quantity 1 purchases one supplier order unit (piece) of this exact SKU. Kits and assemblies contain the components specified by the supplier for this part number.

Supplier estimated ship date: 10/2/2026, checked September 16, 2026. This is an estimate, not a guaranteed delivery date. Items with later dates are supplier backorders.

Confirm exact part-number compatibility before ordering. Electrical, fuel-system and pressure-control components require qualified installation. Hose-reel listings do not include a length of hose unless expressly stated.