Najważniejsze w skrócie TL;DR: Próba ciśnieniowa instalacji wodnej potwierdza szczelność nowej lub naprawionej instalacji i zgodnie z PN-EN 806-4 wymaga ciśnienia 1,5 razy wyższego od roboczego, ale nie mniej niż 10 barów. Jeśli po 30 minutach spadek przekracza 0,6 bara, a w próbie głównej po 1 do 2 godzinach więcej niż 0,2 bara, instalacja nie…
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