Air admittance (Durgo) valve: A1 designated.
Any recommendations please (ease of fitting, longevity, functionality etc) for an ‘A1’ designated Air admittance (Durgo) valve needed for a forthcoming conservatory roof replacement/upgrade?... i.e. a valve that will be fitted below the flood level of connected appliances in the following configuration:-
Edit: sorry, forgot my manners;...should have added: “ As ever, all replies gratefully received. Thanks”
Any recommendations please (ease of fitting, longevity, functionality etc) for an ‘A1’ designated Air admittance (Durgo) valve needed for a forthcoming conservatory roof replacement/upgrade?... i.e. a valve that will be fitted below the flood level of connected appliances in the following configuration:-
Edit: sorry, forgot my manners;...should have added: “ As ever, all replies gratefully received. Thanks”
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