Today I saw this water hookup in at the site of a farmer's market. What am I looking at? Is this a shutoff? Is it frost-free?

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  • looks like a mini hydrant type adaptor
    – UNECS
    May 27, 2012 at 8:58

1 Answer 1


Bayonet style sprinkler stand pipe with a pipe nipple, 90 degree fitting and MHT hose adapter.Rainbird coupling key Lower section similar to this part from Rainbird.

Normal operation is that you lift the cap, push the sprinkler standpipe with attached impact sprinkler in and give it a quarter turn to lock it into the socket. They've adapted the operation to put the water into standard lawn hose in this instance.

  • And to the author's question, "yes, it is frostproof, since the actual connection is tucked down below grade"
    – Bob
    Aug 13, 2012 at 12:15

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