T₀ = 15 °C · Tk = 292 °C · Tc = 15 °C. Natural uranium PHWR · heavy water coolant and moderator · primary at 260 °C / 45 bar. Tin HPT = 250.8 °C / 40.33 bar (after MSR). 5 FWH stages (LP1–LP3, HP5, HP6). Full balance: s4e2.com/exerg/Candu550_EB.pdf