From: clare@snyder.on.ca   
      
   On Wed, 17 Sep 2025 16:53:31 -0400, hubops@ccanoemail.com wrote:   
      
   >>   
   >>The anti siphon (Vacuum breaker) if fine.   
   >>   
   >>This is a deliberate hole placed in the valve   
   >>stem up next to the knob.   
   >>   
   >>https://imgur.com/UNHtzJA.png   
   >>   
   >>Thank you anyway.   
   >>-T   
   >>   
   >   
   > Why would the   < solid brass ? >  valve stem - be hollow - ?   
   > in order to allow your  _deliberate hole_   to leak  ?   
   >    One wonders ..  ?   
   >Sometimes a very small high pressure leak will appear to   
   >come from somewhere else  ..  ?   
   >  .. I'm still betting on valve packing  ..  shooting up the stem.   
   >   John T.   
    The cross drilled hole in the stem is a "weep hole" for the   
   antibackflow valve (anti-syphon)   
      
   A: The small hole below the handle on your frost-proof wall hydrant is   
   called a weep hole. This hole allows backpressure relief when water is   
   siphoning into your water supply. The frost-proof wall hydrant is   
   equipped with an anti-siphon device that prevents backpressure from   
   siphoning the water in the hose and a wall frost-proof wall hydrant   
   that can contaminate your household water supply. When backpressure or   
   backflow occurs, the siphoning water will “weep” from the hole by the   
   handle rather than into your water supply.   
      
    from   
   https://arrowheadbrass.com/about-arrowhead-brass-and-plumbing/fa   
   s/?v=84de8e2b14bb   
      
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