Replacement ball valve on 1999 Island Gypsy

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Vlaming

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Joined
Mar 21, 2021
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6
I have a jammed 3/4" ball valve to rear toilet that needs replacing. Can anyone help regarding what thread this will have so I order the correct one as replacement. Hopefully I can screw the old one off!
 
Welcome aboard. It would be good if you could include more information. Maybe a photo or two. What brand is it?
 
It has 3/4” and 600 on side.
 

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That looks more like a seacock than a ball valve.
 
Don't think so. There is a skin fitting with nut under this. Pretty sure it is joined to skin fitting with a thread.
 
Don't think so. There is a skin fitting with nut under this. Pretty sure it is joined to skin fitting with a thread.
 
This photo shows nut on skin fitting
 

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Hey but happy to be corrected. I don't know which is why I went to forum to ask!
 
The 3/4 is the thread size and also the rough ball size inside.
The 600 is the pressure rating , usually followed by WOG, for water, oil, gas.
Be carefull as that ball valve is likely brass which will not stand up exposed to seawater. Good bronze ball valves are available from either Groco or Buck Algonquin. Some times known as 85-5-5-5 or red brass but check for the 85-5-5-5.
 
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