THERMASREG® FM 010 is a communicative built-in controller for climate control convectors, or air conditioning or heating units (for up to 3 ventilator steps and for one heating and one cooling valve). It can either be operated independently, or in connection with a superior control device (SPS/DDC or Soft SPS), a building management system (e.g. RcWare Vision), or another monitoring, control and data acquisition system being applicable as Modbus master. As single room units, MBR 010 or MBR 011 are applied.