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Author:
sgull (AK)
Am planning to replace the style of "frost-free" hydrant as shown in the photo with a new identical one. The old (identical) one being replaced is already installed, plumbed into a finished exterior wall. I'm hoping it's possible to replace the old one with the new without a need to open the wall to directly access where that threaded fitting on the end of the copper pipe threads into the female mating part/fitting within the wall.
I'm supposing I can unscrew the entire old hydrant from the female part/fitting within the wall by simply grasping the front main body (area of the hydrant below the vent cap and above the water outlet) with a pair of channel lock pliers and turning counter-clockwise until it is unscrewed. Then to install the new hydrant I'd probably need to apply some teflon tape or paste onto the threaded copper end and then insert that end of the new hydrant into the hole in the wall the old one was pulled from and manuever it around some and until it seems I'm aligned to screw the new hydrant in, and just screw it in and snug it up tight. Is that the way it would be done, does that sound like I'm on the right track? Any tips/suggestions/comments appreciated!
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Author:
hj (AZ)
IF the pipe in the wall is secured it MIGHT be possible, but the only way to know is to try it.Just don't be too aggressive.
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Author:
packy (MA)
you don't know 100% that the faucet is threaded into a well secured female fitting.
i wouldn't attempt to unscrew it if it were my job.
if you have the identical same brand and model of faucet, why not just replace the innards and be done with it?
example below of the type fitting it must be screwed into so unscrewing will not do damage to pipes further down that line.
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Author:
sgull (AK)
Yes thanks I'll just replace the innards (stem assembly) from the outside, as suggested. Makes much more sense! Found a plumbing supply outfit online that sells those particular innards. The local plumbing shops here just had the whole hydrant for sale and so I figured I might be having to try to go the route I described in my initial post here. But this was before I found the stem assembly online. Fortunately I found that online before purhasing the whole hydrant locally... and going forward "blind" as I was asking about.
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