20 Pipes | 555mm Aks |∆t50°C= 476 Kcal/h | ∆t60°C= 600 Kcal/h | Heats3-9 m2

22 Pipes | 555mm Aks |∆t50°C= 519 Kcal/h | ∆t60°C= 654 Kcal/h | Heats3-10 m2

26 Pipes | 555mm Aks |∆t50°C= 615 Kcal/h | ∆t60°C= 775 Kcal/h | Heats4-12 m2

30 Pipes | 555mm Aks |∆t50°C= 710 Kcal/h | ∆t60°C= 895 Kcal/h | Heats5-14 m2