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Hi, I have a new 938 installed and as it is summer i have Reduced hot water temaprature to 35 degrees and Tured off heating Comfort option is OFF The temparature on the panel still shows above 50 and it goes upto 70+ when hot water is in use. Does not look right to me. What should i do? Is...

Hi, Help Please I have got an installation scheduled for Vaillant 937 and just realised that vaillant has discontinued both 837 and 937. 1) does any one know why they have been discontinued? 2) I am not sure of proceeding with the installation of a discontinued product. Suggestions please...