TCAC 309adm2025-09-18T11:08:17+02:00 TCAC 309Schemenbeschreibung: pelletstar CONDENSATION, firestar, 2 Pufferspeicher, 2 Heizkreise, 1 Boiler Scheme description: pelletstar CONDENSATION, firestar, 2 buffer tanks, 2 heating circuits, 1 domestic hot water tank