Welcome! Here are the website rules, as well as some tips for using this forum.
LOCHINVAR OR TRIANGLE TUBE/Instinct
Residential Application. 2 story house with a basement.
Any suggestions on which On Demand system is better/more reliable?
Thank you to those that replied to my previous post which was about replacing a Weil McClain & 40G HWH with an on demand system similar to the Title of this post.