JSB 4 GALLON REServoIR GC8000

For the Concentric GC8000 and GC8001 Series power unit kits, this part is the JSB 4 gallon reservoir used as a DC/AC HPU component. It’s identified under Concentric AB and also shows Concentric Rockford as the updated brand, with catalog number C1EL78.

This JSB 4-gallon reservoir is specifically listed as a component for Concentric GC8000 and GC8001 series power unit kits.

It's a standalone reservoir component, sold individually under the Concentric GC8000 and GC8001 Series Power Unit Kits line. If you're sourcing parts to build out or replace pieces of that power unit setup, this 4-gallon reservoir is the piece you'd be looking for. It carries catalog number C1EL78 from Concentric AB, also listed under the Concentric Rockford brand.