The DE6020 has:
Standard Cupro Nickel Heat Exchanger - Excellent salt water and chemical corrosion resistance
Turnover in Gallons 25
Two 10K Ohm sensors are required for operation
Pentair Blower Adapter Plate Gasket Kit - 77707-0011 Pentair MagicBowl The DE6020 has:Product Description Pentair MasterTemp & Sta Rite Max E Therm Blower Adapter Gaskets for ALL Models. Pentair Item Code: 77707 0011 Features Compatible with ALL Pentair MasterTemp Heaters: 460792, 460793, 460730, 460731, 460732, 460733, 460734, 460735, 460736, 460737, 460805, and 460806. Compatible with ALL Pentair MasterTemp Heaters: 461058, 461059, 461060, and 461061. Compatible with ALL Sta Rite Max E Therm Heaters: SR200NA, SR200HD, SR200LP,