Patent ID: 8622048

Claim:
A valve comprising: a valve body comprising a first port, a second port, and a third port, said first and second ports having a first and a second valve orifice, respectively; a first valve closure member and a second valve closure member, said first and second valve closure members configured to selectively seal said first and second valve orifices, respectively; a solenoid comprising a first coil and a second coil, at least one of said first and second coils configured to actuate at least one of said first and second valve closure members when energized; an electrical connection configured to selectively and individually energize said first and second coils; and said valve being configured to operate in at least three different states of operation; wherein, when said valve is in a first state, neither said first nor said second coil is energized and said first and second valve closure members are in first positions; wherein, when said valve is in a second state, said first coil is energized and a first armature engages a plunger to move said first valve closure member from said first position to a second position; wherein, when said valve is in a third state, said second coil is energized and a second armature engages a first valve rod to move said first armature to engage said plunger and to move said first and second valve closure members from said first positions to said second positions.