Description Overview 100 hp capacity Dryback design Heating surface: 500 square feet 3 pass scotch marine firetube boiler Built to asme code section i and national board rules Specifications Design pressure: 150 psig Operating pressure: 125 psig Electrical: 460 volts, 60 hz, 3 phase Turn down ratio: 3:1 Controls: mini mark 8 Burner Webster burner Fuel: natural gas Construction Tubesheet thickness: 0.75 in mw Tubes: 2.0 in od x 0.095 in mw – xid (rifled) tubing Tubes: 2.0 in od x 0.095 in mw – bare tubing Full skid base 2 in mineral wool insulation and stainless steel metal jacket on entire boiler shell Hinged front and rear flue doors Rear observation port
