The document applies to the uniform testing of the performance of water heaters for residential buildings. It includes rules for establishing the performance figure, for the equipment of the testing facilities and for the marking of the water heaters.#,,#
DIN 4708-3:1994 history
1994DIN 4708-3:1994-04 Central heat-water-installations; rules for testing the efficiency of water-heaters in dwelling houses
1994DIN 4708-3:1994 Central heat-water-installations; rules for testing the efficiency of water-heaters in dwelling houses