i know this doesnt pertain to automags but this is my spare. does anyone know the difference between the 3way valve that has 2 o-ring and 3 o-ring? and how does the 3 o-ring valve work? i have a system-x 3 way and its giving me problems...i cant seemed to time it. i can time it real good with my ans 3way the one with to o-ring no problem there.
3-way for A/C
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