Patent ID: 6945510

Claim:
A valve comprising: an electromagnetic solenoid assembly; a valve assembly; a fastening device configured to removably couple said electromagnetic solenoid assembly to said valve assembly, said fastening device being retained by said electromagnetic solenoid assembly when said electromagnetic solenoid assembly is uncoupled from said valve assembly, and wherein said electromagnetic solenoid assembly includes a housing and an electromagnetic coil mounted within said housing, and wherein said valve assembly includes a valve sleeve having first and second ends and extending through said housing and through said electromagnetic coil, a valve body coupled to said first end of said valve sleeve, said valve body having a valve seat surface, at least one inlet port, and at least one outlet port, a plunger movable from a first plunger position when a current in said electromagnetic coil is at a first level to a second plunger position when said current in said electromagnetic coil is at a second level, and a valve element having a seating surface to seat against said valve seat surface, said valve element movable from a closed, seated position when said plunger is in said first plunger position to an open, unseated position when said plunger is in said second plunger position.