Older Induction Models (Replaced with RTCS units) Counter Units Built In Units GIU 2.5 Spec Sheet GIU 2.5 BI Spec Sheet Operation Manual Operation Manual Parts List Parts List     GIU 3.5 Spec Sheet GIU 3.5 BI Spec Sheet Operation Manual Operation Manual Parts List Parts List     GIU 5.0 Spec Sheet GIU 5.0 BI Spec Sheet Operation Manual Operation Manual Parts List Parts List     GIWOK 3.5 Spec Sheet GIWOK 3.5 BI Spec Sheet Operation Manual Operation Manual Parts List Parts List     GIWOK 5.0 Spec Sheet GIWOK 5.0 BI Spec Sheet Operation Manual Operation Manual Parts List Parts List