The Suntec 12 Volt DC Fuel Solenoid Valve is a 1/8" FPT inlet pressure regulating cut-off valve for Suntec Model Series A and B pumps rated up to 300 PSI. It may also be used with No. 2 and lighter fuel at a max fluid temperature of 75°F. This part is most commonly used on hot water pressure washers and controls the diesel oil fuel allowed into the burner nozzle.