expansion module b for gema control ffhk you benefit from a technically

you benefit from a technically sophisticated solution designed to meet current safety standards and efficiency requirements

Whether it's regulating the flow temperature or mixing circulation flows – this mixer always delivers the desired results

ensuring reliable operation even at high system temperatures

Vaillant VR 32/3 modulating bus coupler

expansion module b for gema control ffhk you benefit from a technicallyExpansion 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