Brass fitting help

Joe F

I am looking for a brass fitting, but not sure what it's called (or if it exists). The fitting I want is a tee 1/2 x 1/2 x thumb vent. I have 3/4 x 3/4 x vent that I bought many years ago and have not seen since. What's the real name and where can I find one? My searches haven't turned up anything.

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plumber Jim

what do you mean by thumb vent? what will this be used for? are to talking about a 1/2" copper coupling with waste?

http://www.idealtruevalue.com/servlet/the-11118/Detail

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Joe F

That's it. I'm going to use it to purge air from a section of my hydronic baseboard heat system. Thanks Jim.

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plumber Jim

thats not the correct fitting for purging are from you heating system. Let me look for a picture of the correct way.

this is a baseboard tee. On the 1/8" threaded side you install a bleeder valve designed just for what you want to do. this fitting would replace one of the elbows on your baseboard.

http://images.google.com/imgres?imgu...WfNYrSsQPr281b

the bleeder valve looks like this. sorry this is the best picture i can find online. its the chrome piece. it would thread into your baseboard tee.

http://img518.imageshack.us/i/img0073yi9.jpg/#q=base board bleeder valve heating

I would also ask the Hvac people what they think. why do you need one? do you not have something to automaticly remove the air in the lines? a scoop etc.

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