Vulcan Hart Gas-Fired Full-Steam Jacketed Kettle- 60 Gallon. Model: GS60E. S/N: 15398. Nat'l Bd: 8818. Natural gas. Capacity: 4.0 boiler hp (135,000 BTU/hr). Input per burner: 0.44 boiler hp (15,000 BTU/hr). Number of burners: 9. MAWP: 10 psi at 250 ?F. Kettle is equipped with sight glass level indicator, pressure gauge, pressure relief valve, and thermostatic air vent. Sloped bottom. Inlets: (1) 1 in. dia. NPT (male, jacket). Outlets: (1) 1 in. dia. NPT (male, jacket), (1) 3 in. dia. tank discharge valve, 10 in. L x 4 in. W steam exhaust duct. Overall dimensions: 49 in. L x 45 in. W x 41 in. H.