Someone asks me at least once a month about parts for old radiators or something to do with these systems. For the time being I am including several sites that I believe you will be able to find parts and some much needed information on these systems of which there are many.
Access the first three sites below for parts and you may find the forum for home boiler systems interesting and informative.
http://www.powerspecialties.com/Armstrong_radiator_products.htm
http://www.repairparts.com/WATTS021.HTM
http://www.maconcontrols.com/
http://www.boilerroom.com/wwwboard/homeforum.html/
If I can be of any further help just send an E-MAIL
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