- 1). Open the breaker for the plumbing system's pump at the breaker box.
- 2). Remove the protective cover on the front of your PumpTrol by lifting it off. Remove a bolt to open the cover, if your model is so equipped.
- 3). Turn the small bolt inside the PumpTrol counterclockwise with a wrench for a lower cut-out pressure. Turn the same bolt clockwise to raise the cut-out pressure.
- 4). Turn the large bolt inside the PumpTrol counterclockwise with a wrench for a lower cut-in pressure. Turn the same bolt clockwise to raise the cut-in pressure.
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