converting radiators

chris_68

I have a chance to get a bunch of old cast iron radiators set up for single pipe steam. I'd like to use them in my house at some point (years from now) for a hot water system yet to be installed (I don't have central heat at the moment, just a woodstove, located in Maine).

Of course to convert them to a two pipe system, I would have to remove one of the plugs in the radiator which has been in place for who knows how many years in a town with not great water.

Will these plugs even come out so that I could convert them into two pipe radiators? What if any tricks could be used for this? Any other thoughts? Could I drill and tap them, since I would only need a 1/2 inch line? Thanks for your ideas.

Steamhead (in transit)

Some steam radiators

cannot be used for hot-water at all. Post a pic of the different types you have and we can tell you for sure......

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BoilerBilll

Radiator valves

Chris,

I believe Oventrop (among others) makes a single penetration radiator valve just for that purpose, eliminating the need for knuckle-breaking plug removal. Check out any wholesaler in your area.

Good Luck,
Bill

Unknown

BoilerBilll

Good idea,, but I think the ones Frank(Steamhead) is speaking-of will not permit those same tapping inlet valves to work properly, as the rad should be "open" across the top.

Dave