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spring: stainless steel
TECH EU-21 Pump Controller
Combustion chamber door: Cast iron
contributes to the operational safety of the overall system
Who is authorized to perform the installation
expansion module b for gema control Kaminofen spring: stainless steelExpansion module B for ecoMax 850 and Gema Control 920: More flexibility for your heating control Expansion Module B offers an ideal solution for expanding your heating control systems. It enables the control of two additional mixed heating circuits and the integration of room thermostats. Designed for use with the Plum ecoMax 850i and the Gema Control 920 series, this module offers maximum adaptability and comfort. This expansion allows modern