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Shurflo water pump

In our 2021 320 CS, we found the water pump would continue to run after pressurizing. The Shurflo pump has an Allen wrench set screw on the pressure switch; turning it about 90 degrees clockwise (as viewed from above) solved the issue. 

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    MuttonChopsMuttonChops Member Posts: 1,596
    Thanks, I've never considered adjusting the pump.
    Mine is mounted upside down . . . so adjusting will be a project day activity.

    I did do some additional web-research and these two items might be helpful:

    A]   Good video on Adjusting Series 4000 Pump

    B]   Bits and pieces of the installation manual

    '18 320 Spitched axle, 3020HE; PNW based
    TV: '17 Colorado V6 Z71 4x4, Tow Package, GM Brake Controller
    Adventures:  51   Nights:  322  Towing Miles 41,200+
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