Spare Parts for Water Treatment Plants from SondexThe Sondex product range besides plate heat exchangers also includes fresh water generators in single-stage and multi-stage versions. These last are likewise based on plate heat exchanger technology. The Sondex heat exchangers act as evaporator and condenser.SFD 3 SFD 7 SFD 23 SFD 45SFD 5 SFD 13 SFD 35 SFD 245