Joined on April 7, 2006
Last Post on December 11, 2012
@ December 11, 2012 9:24 PM in Lack of support from Navien 10th callback in 14 monthswhere was the wholesaler?
@ August 13, 2007 7:30 AM in two pipe direct returnI was at very old house with two pipe direct return piping arrangement. It has been added to and altered many times over the years. I havent seen too many of these in the residential market. Customers are putting on an addition and as usual are on a tight budget. Any suggestions to where I can find any info regarding two pipe direct return systems?