1. #1
    Forum Member

    Join Date
    Mar 2008

    Default Fire Hydrant Maintenance

    Wondering what is the best oil to use to lubricate fire hydrant caps with

  2. #2
    Forum Member

    Join Date
    Nov 2009


    Check the manufactures web site
    Or with water utility

    The threads should be lubricated with “never sieze” or a light grease. The caps should be placed on hand tight and then taken 1/4 turn with a spanner wrench. In freezing climates, the threads may be coated with propylene glycol to prevent the cap from freezing to the nozzle.


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