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Posted by Harold hydronicnetwork.net on December 29, 2003 at 11:44:27:
In Reply to: it actually didn't work until closing/opening the shutoff valve posted by ken on December 29, 2003 at 11:02:57:
Valves for the bottom of one-pipe steam radiators look like ordinary valves, but they are special. The seat lies low in the body so the condensate drains back out the valve. If you have a regular angle valve installed, the operation will not be right.
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