is there more than one size square radiater key?

Question

i have a customer with a 20 yr old hot water boiler,,360k btu....house is much older with very old radiaters...had a circulater problem that caused major water leak from boiler system...problem is  fixed but my standard size radiater key is too  large for the square shaft that is inside the bleeder fittings...no one seems to have heard of this except one explanation i got was that possibly the radiaters may have had knobs that were attached to these small square shafts..the knobs eventually broke off,leaving these odd size shafts that there is no key for???...do they make 4-point sockets, one of which might fit...or does a plumber need to replace the entire bleeder port on the radiaters that have this issue?................dan

Bruce A · Accepted Answer

Dan,
Yes, they do make 4-point keys, and 3-point and two.  Call around to any well-stocked hardware store and they'll be able to help you out, I'm sure.
If you have a rough measurement of the square shaft, that will be helpful.
Here's a link to the one I use, made by General
http://www.generaltools.com/Products/4-Way-Faucet-Wrench__182.aspx
I know that they make them in metric sizes too.

Anonymous · Answer

I think the only way out of this problem is to install the normal size vent key, if the iron plug can be removed that is there at present.

? · Answer

approximately one thousand sq. ft is all it relatively is relatively necessary for a pair. My first abode replaced into kind of that length. If it has a basement you will desire a good number of room, yet while it does not then cupboard area turns right into a issue in case you have a great form of stuff. it would be seen a small abode.

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is there more than one size square radiater key?

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