Seisco RA-32 Tankless Electric Water Heater The NEWEST SEISCO RA-32 ELECTRIC TANKLESS WATER HEATER HAS 0.99+ ENERGY FACTOR Current Rating (max.): 133AMPS. Panel Load Factor (40%): 53AMPS. Heating Elements: 8000watts x 4. A minimum 200AMP whole-house electrical service is typically required. Heat Output (max.): 109,211BTU. Power Rating (max.): 32KW. Voltage Rating (Nominal): 240 VAC. Four-Chamber. 109,211 BTU. 32kW. Ideal for the whole house and light commercial applications ex - offices, smaller restaurants, etc..