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unique HW radiator fitting
murph50 Member Posts: 4
A friend showed me a picture of a single lower radiator fitting with both supply and return connections. The pipes enter on a horizontal 45 to the fitting. The radiators are circa 1900 cast iron columnar. Never ran across one before and was curious how it worked, ie. first thougt is that it would short circuit and not feed the rad. properly. So is there something internal to the fitting that can't be seen until removal that makes it work. The pipes in the picture both appear to be 3/4, nothing is known about the system other than the details in picture.
Dan`s book "How Come",,, it displays its action in detail.
Just click "shop" at the top of this page.
When you understand how it works, what else is there to know?
PS- Believe-it or not,, it IS called a "unique" valve. ;-)0
There is a tube crossing
the radiator` Hydronicalternatives.com has a similar one availible today. They sell it to convert single pipe steam systems to hot water.Cost is what you spend , value is what you get.
cell # 413-841-6726
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