cut in out - how to adjust

how do i adjust the cut in out screws
which screw does what?

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Bill says...

It would sure be of help to you if you looked at the page titled Pressure Switch, linked from the nav bar.

On this page I identify the pressure adjusting nuts.

If you cannot read your wiring diagram under the pressure switch lid, then trial and error will tell you which is which.

Cheers,

Bill