The object of this standard is to define the classification and the principal constructional and operational characteristics of gas-fired instantaneous water heater for sanitary uses. It covers safety, rational use of energy and fitness for purpose. It applies to instantaneous water heaters for sanitary uses, with a permanent pilot or automatic ignition, with a nominal useful output not exceeding 45 kW and capable of operating with the gases of the various Wobbe number ranges.
Registration number (WIID)
1064
Scope
The object of this standard is to define the classification and the principal constructional and operational characteristics of gas-fired instantaneous water heater for sanitary uses. It covers safety, rational use of energy and fitness for purpose. It applies to instantaneous water heaters for sanitary uses, with a permanent pilot or automatic ignition, with a nominal useful output not exceeding 45 kW and capable of operating with the gases of the various Wobbe number ranges.
