This European standard specifies requirements for 3 types of open (vented) combination hot water storage units having hot water storage capacities in a series of ranges between 65 l and 210 l inclusive, in which, when water is drawn off from the hot water storage vessel, there is automatically: a) replacement of water withdrawn by that from a cold water feed cistern incorporated in the unit and adjecent to the hot water vessel; and b) controlled replacement of the water in the cold water feed cistern from the water supply by means of a float operated valve.
Registration number (WIID)
7036
Scope
This European standard specifies requirements for 3 types of open (vented) combination hot water storage units having hot water storage capacities in a series of ranges between 65 l and 210 l inclusive, in which, when water is drawn off from the hot water storage vessel, there is automatically: a) replacement of water withdrawn by that from a cold water feed cistern incorporated in the unit and adjecent to the hot water vessel; and b) controlled replacement of the water in the cold water feed cistern from the water supply by means of a float operated valve.
