Portfolio WFN573-J000H0 – Heat/Cooling + WFZ56.OK RF module WFG502-E000H0-D- Heat/Cooling +WFZ566.OK RF mod. WFM572-E000H0 – Heat energy meters with WFZ56.OK RF module WFM26.E131 – Heat meter with W.M-Bus communication WFN26.E131 – Heat/Cooling meter with W. M-Bus communication RFM-MB1 – M-Bus interface for water meter 1 … 5 6 7 8 9 … 35