Enercon Super Trol Electric Heavy-Duty Closed-Loop Heating and Cooling System - 9 kW. Model: MC1-930. S/N: SS83243. Flow rate: 30 gpm. Expansion tank: 35 gal. MAWP: 75 psig. System requirements: 460 V. 15 amp. Maximum operating temperature: 248°F. Centrifugal Pump. Baldor Industrial Motor, 1 HP, 3450 rpm, 230/460 V, 60 Hz, 3 phase. Warren Electric Corp. heating element. Electric heating system is designed to circulate, raise, and maintain temperature of water to precise levels for use with other units. Inlets/outlets: (1) 1 in. dia. MPT, (2) 1 ½ in. dia. MPT, (1) 3/8 in. dia. (air). Overall dimensions: 1 ft. 4 in. L x 2 ft. W x 1 ft. 4 in. H. (ACN120-83).