Reply To: air vents- 2 more Q’s

[SylvanLMPParticipant]

Here Martin is a fantastic article written by a licensed expert plumbing, heating, Fire Supression piping systems and drain cleaning.

I read this article in Nov 1999 I saved it just for you .

Here Enjoy.. http://www.masterplumbers.com/plumbing/plumbviews/1999/steam_heating.html
[Edited by SylvanLMP on 20 April 2001]