TEMCo Foot Pedal Control Valve 2 Position 4 Port 1/4" NPT Air Pneumatic Switch 5 YEAR WARRANTY Port Quantity: 4 Threaded Positions: 2 (Rest, Up - Depressed, Down), Spring Return to Rest (Up) Working media: Air, Inert Gas / Aluminum Body, Steel Frame / Seal Material: Buna N Max Operating Pressure: 116 PSI / Operating Temperature: 23 to 173 deg F 5 Year Warranty