Many installation manuals offer using larger piping when the distances and elbows are greater than a certain distance. Without bing told the distance and number of bends, there is insufficient evidence to second guess.
A reason to use larger pipe is to make less resistance to intake and exhaust flow. As the air and products of combustion are metered through the unit by the vent fan, there should be no problem with that, and you probably haven't seen one.
However, check with the Lennox company customer service that makes concord and Armstrong to check that it is allowable under the warranty, as you don't want to lose the warranty.
www.heatpro.us energy businessmen's knowledge
Yes, you really have to find out the MAKE and MODEL to get good answers. There IS more than one machine made. |
Member Since
05/02/2001
Total Contributions
4121 Posts
|
Moderated by HKestenholz 
