Fuel Oil Solenoid Valve Fuel Oil Solenoid Valve 2-Way/2-Position Normally Closed Media - Valves #2 Fuel Oil at 60 SSU #4 Fuel Oil at 300 SSU Pipe Size - Valves 1/2 In. Min Operating Pressure Differential 0 psi Max Operating Pressure Differential Air/Inert Gas 110 psi Max Operating Pressure Differential Water 110 psi Indoor Outdoor Voltage 120VAC Coefficient of Volume 1.2 Body Material - Valves Brass Coil Insulation Class F Seal Material - Valves FKM