Links:
[1] http://www.samsvojmajstor.com/portal/forums/gradjevinarstvo/instalacije-grejanja-i-klimatizacije/problem-vazduha-u-instalacijama-cg#comment-437031
[2] http://www.samsvojmajstor.com/portal/sites/default/files//sites/default/files/2017-11-21_22.37.20.jpg
[3] http://www.samsvojmajstor.com/portal/sites/default/files//sites/default/files/2017-11-21_22.38.53.jpg
[4] http://www.samsvojmajstor.com/portal/forums/gradjevinarstvo/instalacije-grejanja-i-klimatizacije