====== Vaillant Addresses ====== ===== Master Addresses ===== ^Address ^Priority ^Master ^Description | |10h | | |Main Control Unit: \\ * VRS620 (auroMATIC 620) | |3F | | |Burner | ===== Slave Addresses ===== ^Address ^Slave ^Description | |23h | | | |25h | | | |26h | |Outside temperature sensor (including DCF77 clock) | |50h | | | |ECh | | \\