What is this fitting?

Steamhead

it works the same as the Honeywell Unique valve that Mark posted. Can't wait to see a pic of this one!

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Jeff W

FHW fitting

I have a FHW system (I think it used to be gravity) with cast iron rads. Two of the rads on the 2nd floor have a fitting I am trying to identify-any help is appreciated. The feed and return both come up through the floor about 6 inches apart. The feed has a valve on it. Both the feed and return tie in together then go into the same radiator tapping. The return line goes into a tee that must be some kind of diverter, right? Anyone know what I'm talking about? How do these things work?

Alan(CaliforniaRadiant)Forbes

Sounds like

a single entry valve. Does it look like this? If so, I think Stadler sells them.

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Mark J Strawcutter

does it look like this?

Alan(CaliforniaRadiant)Forbes

Well, Mark

We've given him two options and he isn't responding. Do you think he's waiting for some more choices?

Do you mind if I copy your sketch for my files?

Best wishes,

Alan

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Mark J Strawcutter

better ask Dan

since I "borrowed" it from the gravity heating section of the Q&A here at heatinghelp.com. Pretty sure it's out of
his "how come?" book.

More diagrams over in the Q&A about the internals of the valve, too.

Mark

Jeff W

Hey there-
Sorry, I didn't disappear, I just don't check computer often.
Nice pictures, but not quite what I have. The radiator shut-off valve is a regular one, with the union tailpiece made into what looks like a bulky tee fitting. The other side of the run of the tee has a nipple, then goes into the radiator. The branch of this "bulky" tee is the return line down throught the floor. Does that help?

Alan(CaliforniaRadiant)Forbes

Can you

post a picture of it?

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Jeff W

I will take one tonight and post it tomorrow....Thanks.

Joey B

Here's the pic...

Tom M.

Does the T have a bushing in the side where the supply is?

It may be a double tapped bushing. I don't have picture posting capability so you'll have to visualize. If the side of the tee where the supply comes in has a bushing, it may be double-tapped and has a nipple inside that goes to the other end of the radiator. The water returns across the radiator and exits into the tee around the smaller nipple and out through the bottom outlet on the tee. This may have been done because both ends of the radiator were not accesible or (if these radiators were added later)so that the two pipes could be run up close to each other.

Mike Kraft

Perhaps?

Does it look like this?

cheese

ScottMP

by cheese

I think he's got it ...

That looks like what he's talking about. Now, tell me what it does ??

Scott

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Mike Kraft

Be the water ..........

the appearence seems to "baffle" the mind:)........but what if the tee (or the tee is)is actualy two 90* ells,but to the unsuspecting eye appears to be an impossible fitting for flow.

Getting "warm" Mr.Scott?:)

cheese

ScottMP

two 90 ?

So the tee has baffle, and it blends the flow ?

What was the purpose ? Ease of installation ?

Sssssscccccoooottttttt.

waiting for spring.

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DanHolohan

I believe

there's an internal pipe that extends from the valve, though the tee, and into the center of the radiator. The return flows from the radiator through the bull of the tee.

Jeff W

Wow, you guys are good. Here's the pic anyway.

Alan(CaliforniaRadiant)Forbes

Thanks

for the picture, Joey. We all learned from that one.

Cheese was sharp enough to have a photo ready for us to look at and Dan gave us an explanation of how it works.

You've got to love this place.

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