Parker Indirect Fired Hot Water Boiler. Model: WH-970. MAWP: 125 psi., heating surface: 103.5 sq. ft. Horse power input: 29 hp (boiler) (BTU input: 970,000), Horse power output: 23.2 hp (BTU output: 776,000). Output 60 °F rise: 1550 gph, Output 100 °F rise: 930 gph. Recommended flow rate: 54 gpm. Alternating current motor, ½ hp, 1725 rpm, 115/230 V, 5.2/2.6 amps, 60 Hz, 1 phase. Pump. (32) Burners: 5-1/2 in. L x 2 in. W. Honeywell gas modutrol motor, 120 V, 0.36 amps 50 & 60 Hz, 27 watts. Parker electrical control panel. Temp/press. gauge: 60-320 °F, 0-250 psi. Steam outlet: 14 in. dia. Parker steel tank-100 gallons, manway: 22 in. L x 12 in. H (oval). Maximum temperature: 450 °F; thermometer: 30-230 °F. Boiler inlet/outlet: 2-1/2 in. insulated pipe, pump pipe: 2 in. dia., gas pipe: ¾ in. dia., tank inlet/outlet: (2) 2-1/2 in. threaded female. Overall dimensions (boiler): 75 in. L x 45 in. W x 53 in. H. Overall dimensions (tank): 53 in. L x 40 in. W x 115 in. H.(HB1)(ACN72.)