OTR Push/Pull Model 1 Dash Control Valve ensures Expertise Built In , being manufactured to the standards in an ISO/TS16949 certified facility. With the same form, fit, and function as OEMs and major brands, this dash control valve is a manually operable push-pull control valve. As a new model 1, this valve is designed to amplify your heavy duty truck performance. FleetPride is your First Click in Heavy Duty .