See on Scoop.it – Green Building Design – Architecture & Engineering
The features are satnding gas pilot and motorized stack damper. This burner type has high standby losses. Air can move through the boiler and up the stack 24/7…. , Atmospheric Gas Features – free slide submission, upload slide – weSRCH.
Duane Tilden‘s insight:
Educational slideshow.
See on www.wesrch.com
duanetilden 