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Siemens REF9
Klimo constant Temperature controller. Replacement unit is RLU220 which has the same basic functionality, plus a remote setpoint adjuster BSG21.1. Info: sensor must be changed to Ni1000 and a UA9 interface must be added for phase cut signal.
Replacement: RLU220
Please check the technical data of the replacement product exactly, a 1: 1 replacement is not always possible.
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REF9
Klimo constant temperature controller
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