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Siemens AZY61.4
Plug-in submodule for minimum or maximum limitation of the return temperature in heating plant. No direct replacement, the POLYGYR RWF controller must be replaced. The RLU2..controllers do not require submodules, as these controllers are self-configurable and contain all the features of the old POLYGYR devices (see RWF controller for details), please contact us.
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AZY61.4
Plug-in submodule for Polygyr RWF61..
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