Pictured here is a Parker Boiler 9.5L-WW (Low NOx) water wall design 9.5HP, 150 PSI Steam Boiler. Parker Boiler has been conducting extensive testing on this new Vertical water wall design in 2015 and 2016. Standard Heavy Duty 1″ tubes are used with a 0.12″ wall thickness. The tubes are bent around the flame creating […]
