See what these pipes are connected to may help determine it's purpose, which would be a big step in figuring out what it is.You are correct, I don't know if it is a check valve or not. I don't know either what are pipes are connected to it. I am interested if someone seen or used one of the exact replacement part, so i can replace mine.
never seen a critter that looked like that
what country are you in?
or is this a mobile home or RV plumbing?, they have weird/off the wall stuff
Possibly to the hot water tank, I am not sure 100%.Looks like it could be a neutralizer of some sort. Where does that terminate?
@CJ1, no one here will be able to help you out without more information. A famous man once said “ picture is worth a thousand words”. If you show us where the “out” side terminates, you will move this forward. Either way, Merry Christmas.
Wishful thinking!Photos were included in the posting, someone will surely will recognise it. The house is only 10 years old. On one end, there are two pipes 1/2" and one is 3/4", on the other end it looks like 1/2" going to water tank. I am looking for exact replacement, without guessing what might or might not be.
It leaks.If you don't know what it is or what it does, why are you so sure it needs to be replaced? If your only concern is the crystalline substance on the top line, as long as it isn't leaking leave it alone. If every fitting in the USA with some corrosion or crystals formed on it were replaced, the fitting manufacturer's would have to run 24x7x365 for years just to make replacements. "If it ain't broke, don't fix it!"
I agree with Diehard, it's probably some sort of chemical injection device. If you can figure out what piece of equipment is doing the injection, the fitting will probably be proprietary to the company that made the equipment regardless of what is being injected.
If it hasn't been recognized by now, the odds of anyone on this forum having seen it previously are pretty slim.
It leaks.
It leaks.
@breplum, you are correct, it's going to a hot water tank. I stated that above. It appears, on one end, with is has two inlets, possibly a return hot water pipe and a cold water pipe, going thorough this device, and the outlet going to hot water tank inlet.I am fairly sure it is a hot water return device.
It is like the Grundfos bridge we now use under sinks for one pipe "instant hot".
To confirm, look at your water heater area for a "return pipe".
Discontinued long ago.
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