How to install a myVAILLANT connect to a heat pump and what power supply may be used, VRA 42 or 3 pin plug.
For more information on the myVAILLANT connect internet gateway, please visit [ Ссылка ]
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How to install a myVAILLANT connect to a heat pump and what power supply may be used, VRA 42 or 3 pin plug.
For more information on the myVAILLANT connect internet gateway, please visit [ Ссылка ]