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I need to replace this hose bib. The guy at HD said I need a 1/2 inch hose bib with a female end.

enter image description here

I think I need one that needs to be sweated in, not female. I say that because the adapter it connects to, it is perfectly round. The 3/4 -> 1/2 inch male adapters I saw were not round on the outside, they had similar wrench-grip (six sided) like the hose bib has.

Who is correct?

If I am correct, I think I'm going to remove the adapter itself and replace with a 3/4->1/2 inch male adapter, and buy a 1/2" hose bib with female end.

Does this sound right?

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  • it's hard to see from this angle. there's a hexagonal part at the back with a possible tool mark, it could be screwed on.
    – Jasen
    Aug 15 '20 at 8:34
  • Is your supply line coming vertically out of the ground? Aug 15 '20 at 10:18
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    If you plan to change parts anyway, I'd suggest a FPT adapter since MPT hose bibbs / boiler drains are common as dirt (and most are also dual purpose - solderable on the inside), while FPT ones are unusual. Without a closer view I can't tell for sure if this bibb is soldered on or threaded in, but the hex would be unusual on a solder bibb unless it was dual-purpose, and then you would see the threads if it was soldered. I'd bet on a round exterior 3/4 sweat to 1/2 FPT adapter and MPT on the bibb, but it would not be a large bet without a closer look.
    – Ecnerwal
    Aug 15 '20 at 13:33
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    Since you have a convenient shutoff valve you could remove the stem and take it to a plumbing supply and get a replacement. You could examine the valve seat and replace that if it is replaceable. In short do you really need a whole new valve? Aug 15 '20 at 15:15
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    do what i do: buy all the parts to do the job both ways, then return what you don't end up using.
    – Z4-tier
    Aug 15 '20 at 15:58
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I would repair the valve assembly less than a dollar for the seat and some valve packing.

If you want to replace it it is a sweated fitting standard 1/2 nipple goes on the inside of the fitting for 1/2” and 3/4 goes on the outside of the fitting or that is the style I purchase under 10$

Edit I looked up the style I use 1/2”. 3/4” brass SWT x mHT no kink hose bib $7.97 at home desperate.

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  • thanks @edbeal, i didn't even think about that. I bought a replacement bibb of same brand but the turn handle doesn't fit the one above, but i didn't think about removing the whole part. i will give that a shot.
    – Greg
    Aug 18 '20 at 16:59
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I got this fixed today. It was a 1/2 - 3/4" Bibb that had to be sweated on. The Bibb itself I am sure is 20+ years old, I could not find a replacement handle nor a replacement top piece, I ordered the same manufacturer bibb but neither part worked. Appreciate everyone's help!

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