A valve assembly comprising: a unitary valve base including a body section and an upstanding tubular section extending therefrom with a longitudinal bore formed therein, said body section including a fluid inlet port and a common port with an internal passageway therebetween; a solenoid coil housing, having a longitudinal axis and a bore coaxial therewith; an orifice piece positioned within the longitudinal bore of the valve base, said orifice piece defining a central passageway and having a first end and a second end, wherein a channel is formed between an outer surface of the orifice piece and said longitudinal bore to allow fluid transfer from the central passageway at the first end of the orifice piece to the common port of the valve base; a magnetic top piece positioned over a top open end of the tubular section; said valve base characterized by: a plunger having a first end, a second end, a cylindrical outer surface and a fluid flow path formed between said first end and said second end, said plunger positioned partially within the longitudinal bore of the valve base and partially within the magnetic top piece, said plunger being movable within the longitudinal bore of the valve base and the magnetic top piece between a de-actuated position and an actuated position; and a flux conductor for securing the valve assembly in an assembled configuration; wherein said fluid flow path is a groove formed in the outer surface of the plunger and said magnetic top piece includes a top port formed therein and said first end of said plunger is adapted to abut said magnetic top piece thereby closing off the top port and preventing fluid from flowing through the top port, and wherein the magnetic top piece abuts a top open end of the tubular section. a unitary valve base including a body section and an upstanding tubular section extending therefrom with a longitudinal bore formed therein, said body section including a fluid inlet port and a common port with an internal passageway therebetween; a solenoid coil housing, having a longitudinal axis and a bore coaxial therewith; an orifice piece positioned within the longitudinal bore of the valve base, said orifice piece defining a central passageway and having a first end and a second end, wherein a channel is formed between an outer surface of the orifice piece and said longitudinal bore to allow fluid transfer from the central passageway at the first end of the orifice piece to the common port of the valve base; a magnetic top piece positioned over a top open end of the tubular section; said valve base characterized by: a plunger having a first end, a second end, a cylindrical outer surface and a fluid flow path formed between said first end and said second end, said plunger positioned partially within the longitudinal bore of the valve base and partially within the magnetic top piece, said plunger being movable within the longitudinal bore of the valve base and the magnetic top piece between a de-actuated position and an actuated position; and a flux conductor for securing the valve assembly in an assembled configuration; wherein said fluid flow path is a groove formed in the outer surface of the plunger and said magnetic top piece includes a top port formed therein and said first end of said plunger is adapted to abut said magnetic top piece thereby closing off the top port and preventing fluid from flowing through the top port, and wherein the magnetic top piece abuts a top open end of the tubular section. a plunger having a first end, a second end, a cylindrical outer surface and a fluid flow path formed between said first end and said second end, said plunger positioned partially within the longitudinal bore of the valve base and partially within the magnetic top piece, said plunger being movable within the longitudinal bore of the valve base and the magnetic top piece between a de-actuated position and an actuated position; and a flux conductor for securing the valve assembly in an assembled configuration; wherein said fluid flow path is a groove formed in the outer surface of the plunger and said magnetic top piece includes a top port formed therein and said first end of said plunger is adapted to abut said magnetic top piece thereby closing off the top port and preventing fluid from flowing through the top port, and wherein the magnetic top piece abuts a top open end of the tubular section.