Tabel 1 – Temperature profile during 50 years


Temperature [ ºC]TimeOverall service coëfficiënt
Tcold202,5 years1,25
Tdesign40+6020 years+25 years1,5
Tmax702,5 years1,3
T malfunction100100 hours1,0
Remark: the mentioned temperature
profile is in accordance with class 4 of ISO 10508.



Installers/plumbers, architects, contractors, municipalities, housing association