www.pmmag.com/articles/89674-asme-approved
ASME Approved
April 1, 2006
Triangle Tube/Phase III announces its high-efficiency Prestige condensing wall-mounted boiler is ASME Section IV approved. Prestige features a uniquely designed vertical fire tube heat exchanger constructed of 439 grade stainless steel and has the highest water content in the industry.
Circle 59