Need Replacement Air Valve for Radiator

Bob N

I need a thing, I don't know whats it actaully is or does. It was on the far end of the radiator as the steam inlet. Its made by American Radiator Company, its labled In-Airid Air valve #1 and has a tiny hole. It seems to slip into a larger brass nut. How do I fix this problem? Where do I buy one of these things to replace mine?

Thanks for all your help



background info below....

I have a single pipe steam heat system in my new old house. Its likely 70 years old. My wife and I have called many companies that seem to have specialized in steam and boilers, but they only "do the new stuff" as far as we've found. Our climate in Columbus, Ohio probably didn't nessesitate water based systems like other northern cities.

We had the great idea of getting the cast iron radiator in our bathroom sandblasted. It was looking really bad and the paint was crazing quite a bit. It looks like it got a new coat of paint very often compared to the others. We had a boiler company disconnect it. They had no advise and no warnings.

I stuffed part of a towel in the inlet and wrapped it and the brass nut in duct tape.

The raditor came back fine but something came off in the process

ed wallace

rad vent

your local hardware store should sell a steam radiator vent
if not home depot should or a plumbing supply house you will also need some pipe sealant for the threads

Steamhead

The In-Airid

is no longer made. You'll want to remove the rest of it, close the opening with a pipe plug, drill out the small round projection that's about 1/3 of the way up the radiator and tap it to 1/8-inch pipe thread. This will accept a standard radiator vent.

If the bathroom and radiator are small, a Hoffman #40 vent should work fine.

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