Hauck S-3-5D-UL 3/8" Self-Cleaning Micro Oil Valve is engineered to produce accurate, reproducible linear flow control of oil to any type of industrial process. Solid brass body construction 3/8" NPT connections UL approved Note: This valve is intended for flow control. It is not designed to replace a shutoff. For tight shutoff, a ball or solenoid valve should be provided in the fuel supply line. REPLACES: S35, S-3-5C, S35C, S35D, Power Flame 262250Hauck# HK42572