Post and beam Posted April 5 Share Posted April 5 We have just had a planning department concern about our planned install of a 7kW Vaillant. They have siad we dont have permitted development rights because it was not included in our submission. It was clearly shown on the drawings as located on the south side of the house. Regardless, the only question i cannot yet answer from the Class G requirements is the size of the compressor. I have seen this written down somewhere and am currently scanning all the Vaillant literature i can find. But does anyone have a link to where i might find this parameter please? Thanks as always keith Link to comment Share on other sites More sharing options...
Post and beam Posted April 5 Author Share Posted April 5 Ok it appears to mean the volume of the entire outdoor unit so we are good. Link to comment Share on other sites More sharing options...
sharpener Posted April 5 Share Posted April 5 AFAIR it is only the 10 and 12 kW that need express PP, the others qualify for deemed PP (unless part of a new build IIRC). Link to comment Share on other sites More sharing options...
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