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Thread: ONAN mdkd

  1. 06-03-2019 06:48 AM #1
    rmatt's Avatar
    rmatt
    rmatt is offline Senior Member
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    ONAN mdkd

    Anyone have any idea where a High water shutdown switch could be purchased for an
    Onan mdkd 3r/1b. The switch is 1/8 male npt with a single ring terminal. Part number in my
    manual is 309-0437 but that number seems to be for a thermostat. The switch closes at 250 deg F,
    activating a fault breaker and shutting down engine.
    Any help would be appreciated.
    Bob
    Bob
    "CRAZY HORSE"
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  2. 06-03-2019 07:14 AM #2
    Dan Mapes
    Dan Mapes is offline Senior Member
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    Re: ONAN mdkd

    Have you tried Cummins?
    Regards
    Dan
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  3. 06-04-2019 07:54 AM #3
    rmatt's Avatar
    rmatt
    rmatt is offline Senior Member
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    Re: ONAN mdkd

    Yes I have.
    Bob
    "CRAZY HORSE"
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