Cracked head

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Cracked head
Author: Lancelot50 (IN) Hello im going to purchase a head only for my hydrant,i already know that leaving a hose attatched caused a crack at conjection.my question is can i replace the head with water on?sounds like a dumb question i know lol.but didnt know if head would rotate around plunger assembly with it in off position.thanks
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Re: Cracked head
Author: North Carolina Plumber (NC) No, you'll have to turn the water off. The head will rotate around the stem, but when it comes off there's nothing left to hold the stem in place.
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Re: Cracked head
Author: Wheelchair (IL) I too agree, the water should be off. Best Wishes
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Re: Cracked head
Author: PlumberLoren (CA) Can you reword this question? I don't understand Head and Conjection. These terms are unfamiliar to me with this question. Enlighten me please. As you already have replies, it must be just me. Edited 1 times.
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Re: Cracked head
Author: North Carolina Plumber (NC) He's working on a yard hydrant, where the head and plunger assembly is screwed onto a 1" galvanized pipe.
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