VEVOR 245 Gallon Sandblasting Cabinet with Pressurized Tank, Heavy Duty Steel Sand Blasting Cabinet on Wheels - with 32 Gallon Media Hopper & 1.6HP Dust Collector for Oversized Parts Surface Finishing
Your instructions mention using a foot pedal with the unit and controlling the media flow with valve number 3. It looks as though valve number 3 is a pressure release valve not a media control valve. Please explain this.