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Siemens REK3
Klimo constant / flow temperature controllers for chilled water with solar option. No direct replacement, however the Synco RLU220 has similar functionality. Info: sensor must be changed to Ni1000, and valve actuator must be changed to a modulating type.
Replacement: RLU220
Please check the technical data of the replacement product exactly, a 1: 1 replacement is not always possible.
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REK3
Klimo constant temperature controller
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