6540-375 Jacuzzi Spa Air Control Manifold Jacket For J-400 Series, 2006+. Other Parts Sold Separately Include: Air Valve Knob, 20101-001, Air Control Body With Stem, 6540-377, Oring, 6540-522, And Nut, 6540-376.
USED IN:
J-400 Series Air Control Diagram (2006+)
J-300 Air Control Diagram (2002+)