Integral check valve

A plumbing fixture, comprising:

• an integral check valve with:
• a stem having a first interior bore extending longitudinally inward from a first end thereof and threads extending outward from a surface adjacent the first end thereof,
• a spindle with a central shaft having a first end and an opposing second end with a flange circumscribing the central shaft adjacent the second end, and
• a compressible spring circumscribing a portion of the central shaft between the first end and the flange;
• and
• a hollow body having a water inlet, a water outlet and an integral check valve receiving conduit, the integral check valve receiving conduit having threads sized to engage the outwardly extending threads of the stem.

A plumbing fixture, comprising:

• an integral check valve with:
• a stem having a first interior bore extending longitudinally inward from a first end thereof and threads extending outward from a surface adjacent the first end thereof,
• a spindle with a central shaft having a first end and an opposing second end with a flange circumscribing the central shaft adjacent the second end, and
• a compressible spring circumscribing a portion of the central shaft between the first end and the flange;
• and
• a hollow body having a water inlet, a water outlet, a secondary opening and an integral check valve receiving conduit, the integral check valve receiving conduit having threads sized to engage the outwardly extending threads of the stem.