1 inch slip bulkhead - What the outside thread size?

Discussion in 'Filters, Pumps, etc..' started by twowordz, Sep 24, 2010.

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  1. AZDesertRat

    AZDesertRat Giant Squid

    Joined:
    Jul 30, 2009
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    Location:
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    Ya, when they glue unions on they forget the outside diameter of the union is larger than the inside diameter of the lock nut so the bulkhead is now permanent. Thats the biggest reason I prefer threaded bulkheads.