Replaced by RMK770-1 (Boiler sequence controller) with the same functions and all supported languages (EN, DE, FR, IT, ES, PT, NL, DK, FI, NO, SE, PL, CZ, HU, SK, BG, GR, RO, SI, SP, HR, TR) within one device. The device has the same dimension and the same control panel cutout. Sensors, damper and valve actuators can be reused. In addition, the RMK770-1 has the following functions: 4 Logic function blocks, 2 Comparators, 4 additional display inputs on the function block Miscellaneous as well as the Universal transmission and reception zones.